Independent charter school · Lucerne Valley Unified · Lucerne Valley, California

Granite Mountain Charter — Rating & test scores

Lucerne Valley · TK–12 · 4,393 students (2024–25)

8560 Aliento Road, 92356granitemountainschool.com ↗(909) 906-3593
62ndpercentileSolid

The dots are California’s 1,498 scored public high schools, placed by Scope Score on spring 2025 tests. Why not spring 2026? High school scores include graduation and college-readiness records, which the state publishes a year after the tests. How it’s built →

Scope Score
60

Weighted composite · 2024–25
A weighted mix of seven measures.

See this school’s score factors ↓
Needs Support25 in 100Developing25 in 100Solid25 in 100Strong25 in 100
Needs Support25 in 100Developing25 in 100Solid25 in 100Strong25 in 100
Needs Support25 in 100Developing25 in 100Solid25 in 100Strong25 in 100

In 2024–25, 94% of the class graduated in four years (123 of 131); across California, 89%.

Source
Source
CDE four-year adjusted cohort graduation rate (ACGR), 2024–25
Students
students who started 9th grade together: 131
Comparison
California: graduates divided by students who started 9th grade together, across 2,281 public schools’ rows (our combination, not CDE’s published state rate; 432,702 of 487,177).

For grades 3–5, the standing among California elementary schools; for grades 6–8, the standing among California middle schools is in Academic achievement ↓

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Shared campus · © OpenStreetMap

Granite Mountain Charter and Southern California Flex Academy share this address in the state’s school directory. OpenStreetMap maps the grounds as one campus. Which buildings each school uses here isn’t mapped.

Drawn from OpenStreetMap. Volunteers map it, so a new building may be missing. Buildings with no mapped height are drawn one storey high.

A picture of the campus, not an attendance boundary or a rating.

Schools maintain a closed campus policy. For students’ safety, visitors may enter a campus only with the school’s official permission; this drawing implies no permission to enter.

In grade 11, spring 2026, 69% scored Proficient or Advanced in English (reading and writing) and 44% in math, against 57% and 32% across California.

From spring 2026, the state calls its top two levels “Proficient or Advanced” (formerly “Met or Exceeded”).

Sources
The sentence above
California’s state tests (CAASPP), California Department of Education, spring 2026. All students tested in grade 11: 154. California: CDE’s grade 11 rows for the whole state combined, weighted by students tested (our calculation; 414,559 in English and 413,523 in math tested).

Common questions

How do I get in?

Ask Granite Mountain Charter how it admits students. Charter schools set their own enrollment steps and dates. Evidence ↓

Is Granite Mountain Charter a good school?

Granite Mountain Charter scores higher than 62 in 100 of California’s 1,498 scored public high schools: 62nd percentile, Solid, spring 2025.

  • Grades 3–5: higher than 43 in 100 California elementary schools we score (43rd percentile, Developing, spring 2026)
  • Grades 6–8: higher than 70 in 100 California middle schools we score (70th percentile, Solid, spring 2026)

Evidence ↓

How often do students miss school or get suspended?

In 2025–26, 1 in 100 students missed 10% or more of school days, against 8 in 100 at the average Lucerne Valley Unified high school. 0 of 4,936 students were suspended at least once in 2025–26, against 2.9% at the average California high school. Evidence ↓

More questions (5)

How does math compare with English?

In grade 11, spring 2026, math trails English by 25 percentage points in the share who scored Proficient or Advanced, against 25 points across California. Evidence ↓

How do kids like mine do here?

In spring 2026, 40% of low-income students in grades 3, 4, 5, 6, 7, 8 and 11 at Granite Mountain Charter in Lucerne Valley scored Proficient or Advanced in English, against 39% for the same group across California. Evidence ↓

What could my child study here?

94 students took a college course for credit in 2023–24, by the federal Civil Rights Data Collection. Evidence ↓

Where do students go after finishing high school here?

40% of the class of 2023 enrolled in college within 12 months, by CDE’s college-going records. Evidence ↓

What should I ask on a visit?

The questions drawn from this page are under Next steps, ready to copy. Evidence ↓

Academic achievement

How did students here do on state tests?

Well above California in both subjects.

State tests (CAASPP), grade 11, spring 2026

In grade 11, spring 2026, 69% scored Proficient or Advanced in English and 44% in math, against 57% and 32% across California.

Source
Source
California’s state tests (CAASPP), California Department of Education, spring 2026
Students
all students tested in grade 11: 154
Comparison
California: CDE’s grade 11 rows for the whole state combined, weighted by students tested (our calculation; 414,559 in English, 413,523 in math tested). The comparisons use the same grade and year.
AdvancedProficientBelow the standard

English

Grade 11 · spring 2026 · 154 tested

Advanced
30%
Proficient
39%
Below the standard
31%
This school69%
California57%
Lucerne Valley Unified44%

69% Proficient or Advanced in grade 11.

Math

Grade 11 · spring 2026 · 154 tested

Advanced
24%
Proficient
20%
Below the standard
56%
This school44%
California32%
Lucerne Valley Unified24%

44% Proficient or Advanced in grade 11.

Results for each grade, spring 2026English and math · grades 3–8 and 11 · every level, with tested counts

What each level means: California's level descriptions.

English

English, grades 3–5: share of students tested, spring 2026
MeasureGrade 3Grade 4Grade 5
Proficient or Advanced39%40%42%
Advanced18%18%16%
Proficient21%22%26%
Developing level26%27%26%
Minimal35%33%32%
Tested381425393
California44%46%49%
Difference−5−6−7
English, grades 6–8: share of students tested, spring 2026
MeasureGrade 6Grade 7Grade 8
Proficient or Advanced42%58%52%
Advanced12%19%15%
Proficient30%39%37%
Developing level34%22%27%
Minimal24%20%21%
Tested384337336
California48%51%49%
Difference−6+7+3
English, grade 11: share of students tested, spring 2026
MeasureGrade 11
Proficient or Advanced69%
Advanced30%
Proficient39%
Developing level17%
Minimal14%
Tested154
California57%
Difference+12

California is CDE’s statewide English row for each grade, counting every student tested there; the comparisons in the chapters combine these rows for their grades, weighted by students tested (our calculation).

Math

Math, grades 3–5: share of students tested, spring 2026
MeasureGrade 3Grade 4Grade 5
Proficient or Advanced31%31%25%
Advanced12%11%13%
Proficient19%20%12%
Developing level31%31%25%
Minimal38%38%50%
Tested381425393
California47%42%37%
Difference−16−11−12
Math, grades 6–8: share of students tested, spring 2026
MeasureGrade 6Grade 7Grade 8
Proficient or Advanced26%40%35%
Advanced11%22%20%
Proficient15%18%15%
Developing level30%28%24%
Minimal44%32%41%
Tested384337336
California37%38%36%
Difference−11+2−1
Math, grade 11: share of students tested, spring 2026
MeasureGrade 11
Proficient or Advanced44%
Advanced24%
Proficient20%
Developing level24%
Minimal32%
Tested154
California32%
Difference+12

California is CDE’s statewide math row for each grade, counting every student tested there; the comparisons in the chapters combine these rows for their grades, weighted by students tested (our calculation).

A grade the school doesn't teach has no row. “Suppressed” marks a result CDE blanks because fewer than 11 students tested (CDE’s reporting rule); “none tested” marks a grade CDE lists with no students tested; “not on file” marks a result missing from the records we hold. None of them means zero.

New to these scores? Read CAASPP scores explained: how to read your child’s report →

How do the elementary grades do?

Below California in English; well below it in math. In grades 3–5, spring 2026, 40% scored Proficient or Advanced in English and 29% in math, against 46% and 42% across California. The elementary grades are placed separately: 43rd percentile (Developing) among California’s elementary schools.

English

Grades 3–5 · spring 2026 · 1,199 tested

Advanced
17%
Proficient
23%
Below the standard
60%
This school40%
California46%
Lucerne Valley Unified41%

40% Proficient or Advanced in grades 3–5.

Math

Grades 3–5 · spring 2026 · 1,199 tested

Advanced
12%
Proficient
17%
Below the standard
71%
This school29%
California42%
Lucerne Valley Unified30%

29% Proficient or Advanced in grades 3–5.

How do the middle grades do?

Near California in both subjects. In grades 6–8, spring 2026, 50% scored Proficient or Advanced in English and 33% in math, against 49% and 37% across California. The middle grades are placed separately: 70th percentile (Solid) among California’s middle schools.

English

Grades 6–8 · spring 2026 · 1,057 tested

Advanced
15%
Proficient
35%
Below the standard
50%
This school50%
California49%
Lucerne Valley Unified51%

50% Proficient or Advanced in grades 6–8.

Math

Grades 6–8 · spring 2026 · 1,057 tested

Advanced
17%
Proficient
16%
Below the standard
67%
This school33%
California37%
Lucerne Valley Unified35%

33% Proficient or Advanced in grades 6–8.

How does math compare with English?

In grade 11, spring 2026, math trails English by 25 percentage points in the share who scored Proficient or Advanced, against 25 points across California. The grade 11 cards above give each subject’s share.

Have results changed?

English results were similar to 2025; math results were higher. English went from 66% to 69% and math from 35% to 44%.

English · top two levels · grade 11

202566%148 tested
→
202669%154 tested

This school

California, same grades57% → 57%2025 → 2026 · 432,651 → 414,559 tested

Math · top two levels · grade 11

202535%149 tested
→
202644%154 tested

This school

California, same grades30% → 32%2025 → 2026 · 431,903 → 413,523 tested

Each year is a different group of students.

Ask: What extra help do students who are behind get, and how do you know it’s working?

All four levelsThe state’s test levels Advanced, Proficient, the Developing level (formerly Nearly met) and Minimal, with tested counts
Share of students tested at each level, spring 2026
StudentsAdvancedProficientDeveloping levelMinimalTested
English, grade 11 · This school30%39%17%14%154
English, grade 11 · California27%30%21%22%414,559
English, grade 11 · Lucerne Valley Unified17%27%24%32%1,308
Math, grade 11 · This school24%20%24%32%154
Math, grade 11 · California16%16%20%48%413,523
Math, grade 11 · Lucerne Valley Unified14%10%14%62%1,307
English, grades 3–5 · This school17%23%27%33%1,199
English, grades 3–5 · California24%22%21%33%1,208,894
English, grades 3–5 · Lucerne Valley Unified18%23%25%34%2,864
Math, grades 3–5 · This school12%17%29%42%1,199
Math, grades 3–5 · California21%21%25%33%1,211,701
Math, grades 3–5 · Lucerne Valley Unified12%18%28%42%2,864
English, grades 6–8 · This school15%35%28%22%1,057
English, grades 6–8 · California19%30%23%28%1,254,039
English, grades 6–8 · Lucerne Valley Unified16%35%27%22%2,757
Math, grades 6–8 · This school17%16%28%39%1,057
Math, grades 6–8 · California21%16%23%40%1,254,800
Math, grades 6–8 · Lucerne Valley Unified19%16%26%39%2,753

Below the standard combines the state’s Developing and Minimal levels, its two lowest. Data source: California Department of Education, spring 2026. The state comparison combines CDE’s rows for the same grades, weighted by students tested (our calculation). The district row combines its public schools in the same grades, weighted by students tested.

Grade 11 tests are one part of the picture. Graduation, readiness and college destinations answer different questions below.

Each grade’s results: English ↑ · Math ↑

Results since 20225 tested years shown

Chart and table: 2022–2026.

English top two levels, grade 11
This schoolCalifornia
0%50%100%20222024202669%57%
Math top two levels, grade 11
This schoolCalifornia
0%50%100%20222024202644%32%

2026 was the highest year in this series in both subjects. Each year is a different group of students.

Each year’s results and tested counts

English · top two levels · grade 11
YearThis schoolCalifornia
202259%
128 tested		55%
427,007 tested
202352%
124 tested		55%
442,128 tested
202457%
124 tested		56%
435,296 tested
202566%
148 tested		57%
432,651 tested
202669%
154 tested		57%
414,559 tested
Math · top two levels · grade 11
YearThis schoolCalifornia
202216%
128 tested		27%
424,390 tested
202319%
124 tested		27%
440,912 tested
202426%
124 tested		28%
434,711 tested
202535%
149 tested		30%
431,903 tested
202644%
154 tested		32%
413,523 tested

What you can do

Who can act on Granite Mountain Charter’s results?

Granite Mountain Charter’s own board decides its plan.

The state hasn’t placed Granite Mountain Charter in a support program. Federal designation under the Every Student Succeeds Act, 2025–26. Source 

Where is its yearly plan?

Its 2026–27 plan (LCAP, PDF) 

Lucerne Valley Unified authorized this charter; its current term ends June 30, 2031.

Authorizer from the California Department of Education’s charter term file; term from its Charter School Database, checked October 22, 2026. Source 

Reading screening in kindergarten through grade 2What the law requires, and what to ask

California law requires schools to screen kindergartners through second graders for reading difficulties every year, with some exceptions. You get notice at least 15 days before, results within 45 days, and can opt out in writing.

Kindergartners can’t be screened before the 91st school day; transitional kindergarten isn’t covered.

If screening shows your child may be at risk for reading difficulties, the school must provide supports. That result isn’t a diagnosis, and screening can’t be used to delay a special-education evaluation.

Ask how many K–2 students screening found at risk last year, and how many got extra reading help.

California Education Code § 53008. Source 

Life at school

How many students here graduate, and where do they go next?

94% of students graduated in four years in 2024–25.

State graduation, readiness, college-going, attendance and suspension records

That compares with 89% across California. 46% were ready for college or career (state measure) in 2024–25. 40% of the class of 2023 enrolled in college within 12 months.

Preparation · each measure describes a different student group

Graduated in four years

94%

Across California: 89%

2024–25 · 123 of 131 students who started 9th grade together

Ready for college or career (state measure)

46%

Across California: 52%

2024–25 · 60 of 131 students in the state’s measure

Finished the UC/CSU course list

27%

Average California high school: 56%

2024–25 · 33 of 123 graduates finished the UC/CSU course list

Destinations · class of 2023

Where students who finished high school went

40% enrolled in college within 12 months · 128 students who finished high school

  • University of California UC detail ↓1 · 1%
  • California State University CSU detail ↓3 · 2%
  • California community college34 · 27%
  • In-state private4 · 3%
  • Out-of-state, 4-year8 · 6%
  • Out-of-state, 2-year1 · 1%
  • Not enrolled77 · 60%

Source: CDE college-going records, class of 2023. Shares are our arithmetic: each count divided by all high-school completers (graduates and other students who finished), rounded together so they total 100. “Not enrolled” does not describe employment, military service or other routes.

What could my child study here?

AP courses the school is approved to teach

College Board AP Course Audit Ledger · 2025–26. Authorization doesn’t show which courses run or who can take them; ask the school.

    Every approved AP course0 courses in 0 subjects, 2 through outside providers
    2 authorizations through outside providers
    • 2-D Art and DesigniLead Online Charter School · 2025–26
    • DrawingiLead Online Charter School · 2025–26

    What other courses and pathways are on record?

    College courses in high school (dual enrollment)
    94 students took one

    2023–24

    Students taking a college course for credit while in high school, often through a community college. Federal Civil Rights Data Collection, school-reported.

    Ask: How does the school help students who don’t go to college plan what comes next?

    Where these figures come fromEach measure’s source, student group and definition
    Graduated in four years
    2024–25 · 123 of 131 students who started 9th grade together. California Department of Education, adjusted cohort graduation records. Comparison is SchoolScope’s combination of graduates and cohort counts across the reference schools, not CDE’s published state rate.
    Ready for college or career (state measure)
    2024–25 · 60 of 131 students in the state’s measure. California Department of Education, College/Career Indicator (CCI), overall “Prepared” rate, among the students in the indicator’s group. Prepared is CDE’s overall classification, not AP participation or a college admission rate.
    Finished the UC/CSU course list
    2024–25 · 33 of 123 graduates finished the UC/CSU course list. California Department of Education, A–G completion records (graduates who met the UC/CSU course requirements). Course completion is separate from college enrollment.
    Where students who finished high school went
    CDE college-going records, class of 2023. College enrollment is counted for 12 months after finishing high school and matched to college records, so this runs about two years behind. A dash is unavailable, not zero.
    A closer look: UC and CSU admission recordsApplied, admitted and enrolled, from each university system’s own records

    UC’s own records

    University of California

    Fall 2025 first-year entry · counts, not a school rating

    Applied
    13
    Admitted
    11
    Enrolled
    under 3

    By campus · fall 2025

    • UC IrvineApplied 10 · Admitted under 3 · Enrolled under 3
    • UC RiversideApplied 10 · Admitted 9 · Enrolled under 3
    • UCLAApplied 9 · Admitted under 3 · Enrolled under 3

    These records don’t show the school’s effect on admission. A student can apply to several campuses, so campus counts don’t add up to the total. UC blanks counts under 5 applicants or under 3 admits or enrollees; “+” marks a partial count; a dash is unavailable. Source: UC admissions by source school.

    Each fall since 2022

    • Fall 2025Applied 13 · Admitted 11 · Enrolled under 3
    • Fall 2024Applied 9 · Admitted 7 · Enrolled 4
    • Fall 2023Applied 10 · Admitted 6 · Enrolled under 3
    • Fall 2022Applied 5 · Admitted 4 · Enrolled under 3

    CSU’s own records

    California State University

    Fall 2025 first-year entry · counts, not a school rating

    Applied
    17
    Admitted
    16
    Enrolled
    6

    By campus · falls 2021–2025 added together

    Five years in each number, not one. CSU publishes campus counts only as five-year totals, so these aren’t comparable to the fall 2025 figures above or to UC’s one-fall campus bars.

    • Cal State FullertonApplied 17 · Admitted 15 · Enrolled under 6
    • Cal Poly PomonaApplied 15 · Admitted 12 · Enrolled 7
    • Cal State Long BeachApplied 14 · Admitted 7 · Enrolled —
    • San Diego StateApplied 9 · Admitted under 6 · Enrolled —
    • Cal State NorthridgeApplied 8 · Admitted 7 · Enrolled under 6
    • Cal State San BernardinoApplied 8 · Admitted 7 · Enrolled —
    • Cal State LAApplied 6 · Admitted 6 · Enrolled —
    • CSU Channel IslandsApplied under 6 · Admitted under 6 · Enrolled —
    • Chico StateApplied under 6 · Admitted under 6 · Enrolled —
    • Cal State Dominguez HillsApplied under 6 · Admitted under 6 · Enrolled —
    • Fresno StateApplied under 6 · Admitted under 6 · Enrolled —
    • Cal Poly HumboldtApplied under 6 · Admitted under 6 · Enrolled under 6
    • Cal Poly Maritime AcademyApplied under 6 · Admitted under 6 · Enrolled under 6
    • Cal State Monterey BayApplied under 6 · Admitted under 6 · Enrolled —
    • San Francisco StateApplied under 6 · Admitted under 6 · Enrolled —
    • San José StateApplied under 6 · Admitted — · Enrolled —
    • Cal Poly San Luis ObispoApplied under 6 · Admitted under 6 · Enrolled under 6
    • Cal State San MarcosApplied under 6 · Admitted under 6 · Enrolled under 6

    These records don’t show the school’s effect on admission. A student can apply to several campuses, so campus counts don’t add up to the total. CSU withholds counts under 6; a dash is unavailable. Students who reach CSU from a community college aren’t counted here. Source: CSU High School Success dashboard.

    Each fall since 2021

    • Fall 2025Applied 17 · Admitted 16 · Enrolled 6
    • Fall 2024Applied 7 · Admitted 7 · Enrolled under 6
    • Fall 2023Applied 7 · Admitted 6 · Enrolled under 6
    • Fall 2022Applied under 6 · Admitted under 6 · Enrolled under 6
    • Fall 2021Applied under 6 · Admitted under 6 · Enrolled under 6

    How often do students miss school or get suspended?

    1 in 100 students were chronically absent in 2025–26. That means they missed 10% or more of school days. At the average Lucerne Valley Unified high school, 8 in 100 were. 0 of 4,936 students were suspended at least once in 2025–26, against 2.9% at the average California high school.

    Source
    Source
    CDE chronic absenteeism and suspension files, 2025–26
    Students
    chronic absence: 33 of 4,868 students counted for it; suspension: 0 of 4,936 students enrolled during the year
    Comparison
    Each comparison is the rate at the average school (our average of school rates), not a pooled rate. Also: suspensions at the average Lucerne Valley Unified high school 1.4%.

    Chronically absent, 2025–26

    1 in 100This school
    8 in 100At the average Lucerne Valley Unified high school
    22 in 100At the average California high school

    33 of 4,868 students were chronically absent, meaning they missed 10% or more of school days.

    Suspensions, 2025–26

    0 of 4,936

    students were suspended at least once. Average California high school 2.9%.

    Ask: When a child starts missing school, who calls the family, and how soon?

    Chronic absence by grade2025–26 · per 100 students, with counts
    • Grades TK–3: not in the records we hold
    • Grades 4–6: fewer than 1 in 100, 4 of 1,271
    • Grades 7–8: 1 in 100, 8 of 711
    • Grades 9–12: 1 in 100, 10 of 710
    Ask families and staff yourselfWhat to ask the people at Granite Mountain Charter

    Ask current families how the school keeps them informed, and what happened when their child needed help. Ask staff how long teachers tend to stay.

    Questions for your visit ↓

    Have a child here? Answer 7 questionsResponder en español

    Every learner

    How do kids like mine do here?

    Hispanic or Latino students here scored well above the same group across California.

    Student groups, grade 11, spring 2026

    65% of Hispanic or Latino students scored Proficient or Advanced in English and 42% in math (grade 11, spring 2026), against 49% and 21% for the same group across California. Low-income students here scored well above the same group across California in English.

    Source
    Source
    California Department of Education, CAASPP research file, spring 2026
    Students
    grade 11; each row gives its tested count. Low-income is CDE’s “socioeconomically disadvantaged”.
    Comparison
    California: the same group in the same grades, CDE’s rows for the whole state combined and weighted by students tested (our calculation).
    Granite Mountain CharterSame group, CaliforniaAhead of the same group across California, where that group scores below California’s rate for all students
    • Low-incomeEnglish · 68 testedAhead of the same group across California, where that group scores below California’s rate for all students: 62%Same group, California 49%
    • Low-incomeMath · 68 tested34%Same group, California 23%
    • Hispanic or LatinoEnglish · 65 testedAhead of the same group across California, where that group scores below California’s rate for all students: 65%Same group, California 49%
    • Hispanic or LatinoMath · 65 testedAhead of the same group across California, where that group scores below California’s rate for all students: 42%Same group, California 21%
    • WhiteEnglish · 56 tested70%Same group, California 68%
    • WhiteMath · 56 tested39%Same group, California 44%

    Proficient or Advanced, grade 11, spring 2026.

    Who are the students?

    2025–26 · students counted
    1. Hispanic or Latino: 51%2. White: 34%3. Two or more races: 7%4. Black or African American: 3%5. Asian: 3%6. Filipino: 1%7. Not reported: <1%8. American Indian or Alaska Native: <1%9. Pacific Islander: <1%Student mix2025–26
    1. Hispanic or Latino51%
    2. White34%
    3. Two or more races7%
    4. Black or African American3%
    5. Asian3%
    6. Filipino1%
    7. Not reported<1%
    8. American Indian or Alaska Native<1%
    9. Pacific Islander<1%
    Source and comparisons: the full student mix below.

    Are English learners moving up on the state’s English test?

    62% of English learners here moved up at least one level on the state’s English test (ELPAC), or stayed at the top, spring 2025 to spring 2026.

    Spring 2025 to spring 2026 · English learners with state English test (ELPAC) scores in both years

    This school · 23 of 37 English learners62%
    Lucerne Valley Unified · 78 of 18343%
    California · 355,274 of 748,91647%

    It counts students moving up the test’s levels, so a student can count here before becoming fluent. Data source: California Department of Education, 2026 Dashboard ↗.

    Who are the families and teachers?

    40%of students qualified for free or reduced-price meals in 2024–25, 1,752 of 4,393. California: 63%.

    197teachers, 2024–25

    14 yearsaverage experience, 2024–25

    1%in their first year, 2024–25

    27%of teaching positions with proper credential and placement, 2021–22

    Ask: How does the school keep Hispanic or Latino students on track as they move up through the grades?

    All group results, district comparisons and sources
    Proficient or Advancedgrade 11 · spring 2026
    Group and subjectHerevs Lucerne Valley Unifiedvs California
    Low-income · 68 tested
    English62%+2735%+1349%
    Math34%+2311%+1123%
    Hispanic or Latino · 65 tested
    English65%+3332%+1649%
    Math42%+402%+2121%
    White · 56 tested
    English70%+1654%+268%
    Math39%+1227%−544%

    Each gap is to the same group, grades and subject: in Lucerne Valley Unified, and across California. ■ Green: a group that is behind across California does much better here, by 10 points or more and more than twice the margin of error.

    Students of two or more races and students with disabilities: fewer than 30 tested here. No published rate here for Asian, Black or African American, Filipino, American Indian or Alaska Native, Pacific Islander, homeless and military-family students, English learners and foster youth. That can reflect privacy rules or small numbers; it isn’t evidence of a gap. This table covers groups by income, race or ethnicity, language and disability; girls and boys aren’t split out.

    Full student mix, comparisons and sources, 2025–26
    Students, 2025–26Here
    Hispanic or Latino51%
    White34%
    Two or more races7%
    Black or African American3%
    Asian3%
    Filipino1%
    Not reported<1%
    American Indian or Alaska Native<1%
    Pacific Islander<1%

    Data source: California Department of Education chronic-absence file, 2025–26. Shares are of the students the file counts for attendance (CDE’s “eligible enrollment”); unavailable categories are shown as a dash.

    How the credential rate is counted

    CDE SARC report 2024–25, measured 2021–22: 27% of teaching positions, 30.2 properly credentialed teaching-position FTE out of 111.9 total position FTE. This measures positions, not individual teachers.

    Next steps

    How do I get in?

    Ask Granite Mountain Charter how it admits students. Charter schools set their own enrollment steps and dates.

    Before you apply

    Confirm this school’s current process directly.

    Eligibility and entry grades
    Which grades are accepting applications, and who is eligible?
    Application and lottery
    What are the deadlines, enrollment priorities, and lottery or waitlist steps?
    The daily logistics
    What transportation and before- or after-school options are available?
    School website: granitemountainschool.com ↗Office: (909) 906-3593Administrator: Brook MacMillan

    Location and visiting

    Get directions  (opens Google Maps in a new tab)
    8560 Aliento Road, Lucerne Valley 92356

    Directory location · Explore nearby schools on the map. Confirm enrollment with the school.

    Questions for your visit

    1. What extra help do students who are behind get, and how do you know it’s working? 56% in math scored at the Developing or Minimal level, grade 11, spring 2026 (154 students tested); California: 68%
    2. How does the school help students who don’t go to college plan what comes next?
    3. When a child starts missing school, who calls the family, and how soon?
    4. Which courses and career pathways does the school run, and who can enroll?
    5. What support is available when a student falls behind on graduation requirements?

    Office (909) 906-35938560 Aliento Road, directions  (opens Google Maps in a new tab)

    Nearby high schoolsClosest first, by straight-line distance

    The closest high schools, by straight-line distance from this campus. Distance isn’t an attendance boundary.

    Nearby high schoolsPercentile among California high schools, 2025

    Each percentile compares a school with California schools at its own level.

    Explore nearby schools on the map

    Source records

    Every figure on this page, with its source, grades, year and count.

    Score factorssource values, index and weights · 2024–25 · ranked #562 of 1,498 California high schools we score · #3 of 6 in Lucerne Valley Unified
    Score factors, 2024–25
    FactorSchoolIndexWeight
    Graduation rate94%5825%
    Exceeded standardaverage of English and math24%5922%
    Ready for college or career (state measure)46%5120%
    Met or exceededaverage of English and math50%6018%
    Chronically absent1 in 100725%
    Suspension rate0 of 4,620655%
    English learners: top level27%—5%

    Index is where the school's value sits among the California high schools we score, from 0 to 100, where 50 is their average; it is not a percentile. School values are from 2024–25. Chronic absence and suspension are CDE's all-students school rates; the score uses an adjusted version of each that pulls small schools toward the average, so their index can sit nearer 50 than the rate suggests.

    School pattern · 2024–25 · What patterns mean

    On the riseThe share of students at the state’s top two levels rose in both English and math across the three springs to 2025. The Every tested year record gives each year.
    Scope Score by year2021–22 to 2024–25 · each year’s inputs, and the score for each year we could verify

    The 2024–25 Scope Score, in the current-formula row below, uses the state’s college-or-career readiness measure, 2024–25. No verified earlier Scope Scores are available here.

    Scope Score

    School yearScope ScorePercentileRankComparison group
    2024–256062#562California high schools · 1,498 schools · current formula

    2021–22, 2022–23 and 2023–24 have records on file but no Scope Score we could verify against that year’s source files, so no score is shown for them.

    School yearChronic absenceSuspension
    2021–22not on filenot on file
    2022–23not on filenot on file
    2023–241 in 1000 of 4,262
    2024–251 in 1000 of 4,620

    Chronic absence and suspension are CDE’s all-students school rates for each year.

    Every tested year2022–2026 · rates, tested counts, and each grade

    English and math by test year · all tested grades

    Year · subjectStudents with scoresTop levelTop two levels
    2026 · English2,41017%47%
    2026 · Math2,41015%32%
    2025 · English2,35416%47%
    2025 · Math2,35513%31%
    2024 · English2,15014%42%
    2024 · Math2,15110%28%
    2023 · English1,95314%41%
    2023 · Math1,9529%25%
    2022 · English1,70215%43%
    2022 · Math1,7058%24%

    Each year names its school year end (2026 = 2025–26). “Students with scores” counts each subject on its own, so don’t add the English and math counts together. A dash is unavailable, not zero.

    Earlier years · grade and subject

    Year · grade · subjectStudents with scoresMet or exceeded
    2025 · Grade 3 · English43942%
    2025 · Grade 4 · English39743%
    2025 · Grade 5 · English37345%
    2025 · Grade 6 · English34647%
    2025 · Grade 7 · English36251%
    2025 · Grade 8 · English28948%
    2025 · Grade 11 · English14866%
    2025 · Grade 3 · Math43935%
    2025 · Grade 4 · Math39734%
    2025 · Grade 5 · Math37320%
    2025 · Grade 6 · Math34629%
    2025 · Grade 7 · Math36233%
    2025 · Grade 8 · Math28934%
    2025 · Grade 11 · Math14935%
    2024 · Grade 3 · English37437%
    2024 · Grade 4 · English38240%
    2024 · Grade 5 · English32845%
    2024 · Grade 6 · English35639%
    2024 · Grade 7 · English29644%
    2024 · Grade 8 · English29047%
    2024 · Grade 11 · English12457%
    2024 · Grade 3 · Math37438%
    2024 · Grade 4 · Math38230%
    2024 · Grade 5 · Math32823%
    2024 · Grade 6 · Math35622%
    2024 · Grade 7 · Math29631%
    2024 · Grade 8 · Math29122%
    2024 · Grade 11 · Math12426%
    2023 · Grade 3 · English36140%
    2023 · Grade 4 · English32540%
    2023 · Grade 5 · English33536%
    2023 · Grade 6 · English27233%
    2023 · Grade 7 · English29149%
    2023 · Grade 8 · English24542%
    2023 · Grade 11 · English12452%
    2023 · Grade 3 · Math36037%
    2023 · Grade 4 · Math32530%
    2023 · Grade 5 · Math33518%
    2023 · Grade 6 · Math27221%
    2023 · Grade 7 · Math29121%
    2023 · Grade 8 · Math24522%
    2023 · Grade 11 · Math12419%
    2022 · Grade 3 · English28642%
    2022 · Grade 4 · English31339%
    2022 · Grade 5 · English24441%
    2022 · Grade 6 · English27543%
    2022 · Grade 7 · English23346%
    2022 · Grade 8 · English22341%
    2022 · Grade 11 · English12859%
    2022 · Grade 3 · Math28737%
    2022 · Grade 4 · Math31323%
    2022 · Grade 5 · Math24619%
    2022 · Grade 6 · Math27518%
    2022 · Grade 7 · Math23327%
    2022 · Grade 8 · Math22321%
    2022 · Grade 11 · Math12816%

    Current 2025–26 grade results are under Academic achievement, in Results for each grade. “Students with scores” counts the students tested in that grade, subject and year. A missing result is not zero, and each year’s row is a different group of children.

    Science (CAST)schoolwide · spring 2026
    Science (CAST)TestedAdvancedProficientDeveloping levelMinimal
    Schoolwide87912%27%50%11%

    CAST is tested in grades 5 and 8, then once in grade 10, 11, or 12. This row is the school's all-student aggregate. Not part of the Scope Score.

    Student groups: test resultsEnglish · spring 2026 · against the same group in the district and California
    Group · EnglishTestedProficient or Advancedvs districtvs California
    Low-income1,07040%+11+1
    Hispanic or Latino1,21844%+17+4
    White80447%+7−15
    Student groups: the state’s growth measureCalifornia School Dashboard 2025 · points above or below what the state expected · shown, not part of the score
    GroupEnglishnCDE categoryMathnCDE category
    All students+61,607Accelerated01,607Average
    English-only students+61,521not categorized01,521not categorized
    Hispanic or Latino+6753Accelerated−5753Average
    Low-income+9638Accelerated+2638Average
    White+4582Average+6582Accelerated
    Students with disabilities+5222Accelerated−8222Moderate
    Two or more races+15107Accelerated+7107Accelerated
    Asian+761Accelerated+461Average
    Black or African American060Average−1860Moderate
    Homeless−148Average−1848Moderate
    English learners034Average−1034Moderate
    Filipino+2720Exceptional+1420Accelerated
    Recently reclassified as fluent in English−719not categorized−2619not categorized
    English learners only+915not categorized+1215not categorized

    CDE reports scale-score points against the state’s expected score — not a percentage or percentile. The table keeps the group records SchoolScope imported for this school, including rows below our narrative display threshold. Muted rows have fewer than 30 students with a valid growth score. SchoolScope uses that threshold for the shorter narrative view; the reported values stay visible here. “Not categorized” means this imported CDE row has a growth value without a performance category. At least one estimate here is a CDE weighted estimate; that describes how CDE combines years, not a year-over-year trend. A group absent from this table has no imported record shown here. Its absence alone does not establish its size or performance. CDE growth covers grades 4–8. SchoolScope does not use these CDE figures in its Scope Score.

    Growth recordsthe state’s student-by-student measure
    California growth model · points vs expected

    State model · English+6 pts vs expected

    matched students, grades 4–8

    CDE California growth model · 2025 Dashboard

    Weighted school estimate; assessments from 2022–23, 2023–24, and 2024–25

    All students, grades 4–8

    1,607 students

    CDE growth category: Accelerated

    California growth model, English: +6 scale-score points versus the state's expectation, CDE category Accelerated, against SchoolScope's +2-point median for California elementary school records.

    State model · math0 pts vs expected

    matched students, grades 4–8

    CDE California growth model · 2025 Dashboard

    Weighted school estimate; assessments from 2022–23, 2023–24, and 2024–25

    All students, grades 4–8

    1,607 students

    CDE growth category: Average

    California growth model, math: 0 scale-score points versus the state's expectation, CDE category Average, against SchoolScope's +2-point median for California elementary school records.

    Source notes. CDE reports scale-score points against the state’s expected score for matched students, never a percentage. Among SchoolScope's retained California elementary school records, the median English estimate is +2 and the middle half fall between −5 and +9 scale-score points — the spread is wide, so read the figure against it, not its sign alone. CDE's 2025 Dashboard weighted school estimate uses assessments from 2022–23, 2023–24, and 2024–25; adjacent reporting editions should not be read as independent annual changes. The CDE measure covers grades 4–8, and it is not part of the Scope Score.

    Attendance and suspensionsState records · this school and each student group · 2018–19 and 2025–26

    CDE’s all-students school rates for 2024–25 and 2025–26; the change is the difference between the two rates as printed.

    Year-over-year school rates
    Chronic absenteeism2024–25 · 1 in 100 → 2025–26 · 1 in 100 · 0 in 100
    Suspension rate2024–25 · 0 of 4,620 → 2025–26 · 0 of 4,936 · 0.0 percentage points
    Group2018–192025–26Change
    Female—1 in 100—
    Male—1 in 100—
    Asian—1 in 100—
    Black or African American—0 in 100—
    Filipino—2 in 100—
    Hispanic or Latino—0 in 100—
    American Indian or Alaska Native—0 in 100—
    Pacific Islander—0 in 100—
    Two or more races—0 in 100—
    White—1 in 100—
    Students with disabilities—1 in 100—
    English learners—0 in 100—
    Homeless—5 in 100—
    Low-income—1 in 100—
    All students—1 in 100—

    Two reported school years only; no intervening-year result is implied. Source: CDE school-level chronic absenteeism by student group.

    Graduation and readinessstate records · each rate for its own year and class of students
    MeasureSource record
    This school · CCI overall PreparedCDE College/Career Indicator · CCI source year 2025 · all students · all students in the current four-year graduation cohort, plus only Prepared fifth-year graduates from the prior cohort. Overall CCI Prepared rate 46% · numerator 60 students classified Prepared · denominator 131 CCI students.
    California · CCI overall PreparedCDE statewide CCI cohort · CCI source year 2025 · all students · overall Prepared rate 52% · numerator 257,567 students classified Prepared · denominator 497,814 CCI students.
    AP pathway among CCI Prepared studentsCDE College/Career Indicator · CCI source year 2025 · all students · AP pathway rate 2% · AP-pathway numerator 1 · denominator 60 (CCI Prepared students). This measure uses Prepared students as its denominator, not the whole CCI cohort; it is not an AP exam-taking rate or a count of AP courses offered. That cohort includes all students in the current four-year graduation cohort plus only Prepared fifth-year graduates from the prior cohort. In 2025 the pathway accepts two qualifying AP exams, two qualifying AP courses, or a combination of one of each in different subjects.

    CDE's overall Prepared rate is the college-readiness factor in the Scope Score (20% of the high school score). The school rate is 60 of 131 CCI students, not the AP-only pathway or A–G completion rate. The California figure is CDE's statewide CCI student cohort, not an average of SchoolScope's comparable high schools or the SchoolScope school-rank pool.

    Graduation rate
    94%
    AP route, among those ready for college or career
    2%
    2025 CDE CCI cohort · AP courses, exams, or both; share of students ready for college or career (CDE’s “Prepared”), not course offerings
    Finished the UC/CSU course list (A–G)
    27%
    A–G are the 15 courses (across 7 subjects) required for UC/CSU eligibility
    College-going rate
    40%

    These source periods and populations differ: graduation uses an adjusted cohort, while A–G completion and college-going use separately reported groups. The rates are shown individually, without a shared performance tier.

    UC admissions, universitywidefall 2022–2025 · applied, admitted, enrolled, mean GPA · summed across CEEB codes
    YearAppliedAdmittedEnrolledMean GPA (applied)Mean GPA (admitted)Mean GPA (enrolled)
    20251311under 33.793.97—
    20249744.024.00—
    2023106under 34.043.95—
    202254under 34.16——

    Source: UC admissions by source school. Dated fall first-year UC applicants, admitted students, and enrollees. GPA is each group's mean weighted, capped high-school GPA for 10th/11th-grade college-preparatory courses. SchoolScope leaves GPA unavailable when several CEEB codes contribute rather than combining their means. UC blanks counts under 5 applicants or under 3 admits or enrollees, shown here as “under 5” or “under 3”; — means unavailable, and a reported zero remains zero. A + marks a partial SchoolScope sum of observed counts, not a complete total; missing contributions may be zero. No admit rate is computed here. Complete, matching counts can support a historical descriptive rate, but do not establish a school's effect or predict individual chances. Series shown from 2022.

    UC admissions by campuslatest falls on file · each campus counted separately
    CampusYearAppliedAdmittedEnrolled
    Irvine202510under 3under 3
    Irvine20247under 3under 3
    Irvine20238under 3under 3
    Los Angeles20259under 3under 3
    Los Angeles20247under 3under 3
    Los Angeles20236under 3under 3
    Riverside2025109under 3
    Riverside202476under 3
    San Diego20246under 3under 3
    Universitywide20251311under 3
    Universitywide2024974
    Universitywide2023106under 3
    Universitywide202254under 3

    Source: UC admissions by source school. Dated fall first-year UC applicants, admitted students, and enrollees. Campus totals are not interchangeable with Universitywide; students can apply to several campuses. Universitywide is separately reported; never derive it by adding campus rows. Universitywide applicant and admit counts are unduplicated. UC blanks counts under 5 applicants or under 3 admits or enrollees, shown here as “under 5” or “under 3”; — means unavailable, and a reported zero remains zero. A + marks a partial SchoolScope sum of observed counts, not a complete total; missing contributions may be zero. No admit rate is computed here; these records do not establish a school's effect or predict individual chances.

    AP course catalog2025–26 · College Board course authorizations
    SubjectAuthorization recorded for
    2-D Art and Designonline provider (iLead Online Charter School)
    Drawingonline provider (iLead Online Charter School)

    Authorization ≠ a section running this year — the Ledger records what the school may teach, not seat counts.

    Advanced coursework, federal snapshot2023–24 · Civil Rights Data Collection · dated historical snapshot
    MeasureThis school
    AP offeredoffered
    AP course count3
    AP enrollment (male/female)3
    IB participationnot reported
    Dual enrollmentoffered · 94 enrolled
    Algebra I in grade 8offered
    Calculus sections1
    Physics sections2
    Chemistry sections2
    Reported male/female enrollment (CRDC)3,913

    These counts aren’t part of the Scope Score. “Not reported” means the federal record has no value for that item; it isn’t a zero. Enrollment counts add the male and female students the survey reports.

    College destinationsclass of 2023 · state college-going records, 12 months after graduation
    DestinationCompleters% (derived)
    University of California11%
    California State University32%
    California community college3427%
    In-state private43%
    Out-of-state, 4-year86%
    Out-of-state, 2-year11%
    Not enrolled7760%

    128 students who finished high school, class of 2023 · state-reported college-going rate 40% · % column is computed by SchoolScope (count ÷ all who finished high school; CDE calls them completers), not a CDE-native rate · an unavailable or suppressed cell is marked as missing; a reported zero remains distinct · source: CDE 12-mo CGR, 2023 cohort (the newest published), National Student Clearinghouse match — a different, older vintage than the fall 2025 UC admissions rows above.

    Fundingschool and district spending, from state and federal finance records · each row names its fiscal year and measure

    Per-pupil spending

    District · current expense$16,948 per pupil

    NCES F-33 · FY 2020–21 (2021) · fall district membership: 843 pupils

    California · selected district mean$14,491 per pupil

    NCES F-33 · FY 2020–21 (2021) · SchoolScope’s unweighted mean across 818 selected California district finance records

    District current expense · FY 2024–25$22,529 per ADA

    CDE SACS Current Expense of Education · district fiscal year ending 2025 · average daily attendance denominator

    How the California mean was selected

    SchoolScope starts with its selected California finance records, not every NCES California district. For FY 2020–21, it calculates an unweighted mean of NCES F-33 current expense per pupil. District records contribute once, regardless of enrollment. The calculation keeps records with positive per-pupil current expense, enrollment over 100, CCD agency type 1, and a recorded district name; it excludes names ending in County Office of Education, Department of Education, or Superintendent of Schools. This is a SchoolScope calculation, not a state-published spending average.

    Selected General Fund operating costs · FY 2024–⁠25 · SchoolScope calculation
    Instruction 59%Instruction support 10%Student services 9%Administration 11%Buildings & maintenance 10%Other 1%
    The arithmetic behind these shares · FY 2024–25
    GroupDollarsShare, to two decimalsPrinted
    Instruction$14,458,42859.29%59%
    Instruction support$2,448,50010.04%10%
    Student services$2,221,5269.11%9%
    Administration$2,722,97811.17%11%
    Buildings & maintenance$2,288,7659.39%10%
    Other$245,2551.01%1%
    Total$24,385,452100.00%100%

    These shares are our arithmetic: each group’s dollars divided by the $24,385,452 total of the groups shown, rounded to whole percents by largest remainder so they add up to 100. Dollar amounts are rounded to the nearest dollar, so they can differ from the total by a dollar. SchoolScope groups district-level CDE SACS UserGL actuals from Fund 01, using operating objects 1000–5999 and excluding retiree benefits, food and community services, facilities acquisition, other outgo, and nonagency goals. These shares use that filtered total; they do not exactly break down CDE's official current expense per ADA above. The school-level ESSA figure uses a separate source.

    NCES F-33 district fiscal-year history, 2017–⁠2021; latest district record shown: 2021
    2021$16,948 per pupil
    2020$15,437 per pupil
    2019$16,528 per pupil
    2018$7,006 per pupil
    2017$3,960 per pupil

    Source: NCES F-33 · Full district breakdown →

    Staffing recordsstate teacher credential-and-placement and district salary records · each for its own year

    Additional workforce records

    Properly assigned intern credential holders0.0%

    CDE 2024–25 SARC, Teacher Preparation and Placement table; measured school year 2021–22. Share of reported school teaching-position full-time equivalents assigned to properly assigned intern credential holders. A reported 0.0% is shown; unavailable rates are omitted. This is a position share, not a count of current teachers or of emergency permits.

    The surrounding ZIP codeCensus Bureau survey, 2020–2024 · ZIP 92356 · not the school’s students
    American Community Survey 5-year estimates · 2020–2024 · ZIP 92356 area
    MeasureEstimate
    Median household income$54,923
    Bachelor's degree or higher (adults 25+)20%
    ZIP-area population6,543
    Median age44.3 years

    Source: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates. Median household income covers the past 12 months and is reported in 2024 inflation-adjusted dollars. Bachelor's degree or higher uses adults age 25 and over as its population. A dash is unavailable, not zero; a reported zero remains zero. ZIP-area figures do not establish the school's attendance area or describe its enrolled students. These figures are not part of the Scope Score. See all schools in ZIP code 92356 →

    Downloads, embed and methodologyCSV · embed code · sources · corrections

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    • Its Scope Score is a high school score; results for its other grades are in these records.

    Data sources: public data sources, including the California Department of Education · state tests (CAASPP) 2025–26 · Scope Score from 2024–25 results, compared across 1,498 high schools · attendance and suspensions by student group from 2018–19 and 2025–26 · district finance for the year each row names · Census survey (ACS) 2020–2024 · UC fall first-year source records — UC blanks counts under 5 applicants or 3 admits or enrollees; “+” marks a partial count; the all-campus total is reported separately · AP courses the College Board approved, 2025–26 (approved to teach, not enrollment) · federal civil rights data (CRDC) 2023–24, a past snapshot · state college-going records, class of 2023, matched to National Student Clearinghouse enrollment · Data updated October 15, 2026

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