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Grizzly ChalleNGe Charter · San Luis Obispo

Grizzly ChalleNGe Charter: The scores are below where anyone wants them. Here's what they don't tell you.

Grizzly ChalleNGe Charter posts low test scores — and suspensions run below the state rate (0.6% vs 3.6%). If this is your zoned school, the numbers below are where to start a conversation, not where to end one.

Charter school — publicly funded, independently operated, open enrollment via lottery. Learn more
2019–2025 trend · CDE CAASPP
This schoolCA avg
Scope2944
% Exceeded2%16%
% Met+6%36%
Grad rate85.9%87.6%
College readiness0.6%35.4%
Absence8.8%30.2%
Suspension0.6%3.6%
Scope Score
29
🤝 Culture First · Needs Support
ranked #1,683 statewide

Grizzly ChalleNGe Charter scores 29 of 100 on SchoolScope's Scope Score — the 22nd percentile of 2,160 California high schools (CDE CAASPP 2025).

Measures test performance, attendance, and climate — not arts, community, or your kid. How we score →

🤝 Culture First — Ask whether the low absenteeism and suspension numbers come from what the school does or from the community it serves — both can produce the same numbers, and only a visit tells you which.

Most rating sites would stop at “6% proficient” and call it done. Grizzly ChalleNGe Charter deserves a closer read. The school sits in San Luis Obispo, where four in five students qualify for free or reduced lunch — and reading the numbers without that context misreads the school.

The headline number: 8.8% chronic absenteeism — versus 30.2% statewide. Attendance is the quietest strong signal a school can post.

As a charter, Grizzly ChalleNGe Charter enrolls by application rather than address. That changes how you get in, but it doesn't change the score.

The seven-year arc

Percentile among 2,160 high schools statewide

Has stayed near the 22nd percentile since 2019.

CA Dashboard
ELARedMathRed

Proficiency here is back to its pre-pandemic level — 6% meet the standard, about where the school stood in 2019.

ELA — % met or exceeded, by grade
Grade20192022202320242025
Grade 1117%22%26%15%11%
Math — % met or exceeded, by grade
Grade20192022202320242025
Grade 110%0%4%0%1%

The story this school is actually telling

Proficient by 11th grade
6%
State 36%
Graduate
86%
State 88%
Pass an AP exam
1%
State 35%

Of 100 students here: 6 are proficient by 11th grade → 86 graduate → 1 pass an AP exam. The gaps between those bars are the questions to ask.

The 6 things our score weighs

Graduation rate
85.9%
State 87.6%
1.7pp below state avg
Exceeded standard
1.9%
State 15.8%
13.9pp below state avg
College readiness
0.6%
State 35.4%
AP exam pass rate below state avg
Met or exceeded
6.3%
State 35.7%
29.4pp below state avg
Chronic absenteeism
8.8%
State 30.2%
21.4pp below state avg
Suspension rate
0.6%
State 3.6%
3.0pp below state avg
Worth a school visit

Ask what changed in the last two years, and what the school is asking families for. Growth shows up in these numbers a year or two after it shows up in classrooms.

  • Ask what share of students complete the full college-prep course sequence, and who gets steered into it.
  • Ask whether the tour can step into a working classroom — watch how the teacher handles a student who's stuck.
  • Ask to tour while school's in session, and notice how hallways and transitions feel — culture shows up between classes, not just in them.
  • Ask how the school communicates with families when a child starts to struggle.
  • Ask what a typical day looks like for a new student in the first few weeks.

How every group of students does here

At Grizzly ChalleNGe Charter in San Luis Obispo, 9.1% of low-income students met or exceeded the ELA standard in 2025, compared to 11.1% district-wide and 38.2% statewide. Grizzly ChalleNGe Charter trails its district average for low-income students by 2.0 percentage points in ELA. Other subgroups: Low-Income students (1.5% Math proficient); Hispanic students (7.3% ELA proficient). The largest proficiency gap is 6.6 percentage points for english learner students. Data source: California Department of Education, CAASPP 2024-25. 66 students tested.

All students at this school: 6% met or exceeded
All StudentsAll Students: this school 6%, district —, state 36%6%
Hispanic/LatinoHispanic/Latino: this school 4%, district 5%, state 32%4% · −2 vs school
Socioeconomically DisadvantagedSocioeconomically Disadvantaged: this school 5%, district 6%, state 32%5% · −1 vs school
MaleMale: this school 6%, district 7%, state 42%6% · +0 vs school
English LearnersEnglish Learners: this school 2%, district 2%, state 11%2% · −4 vs school
FemaleFemale: this school 6%, district 7%, state 44%6% · −0 vs school
HomelessHomeless: this school 7%, district 8%, state 22%7% · +1 vs school
Students with DisabilitiesStudents with Disabilities: too few students to report‹11
WhiteWhite: too few students to report‹11
Black/African AmericanBlack/African American: too few students to report‹11
Two or More RacesTwo or More Races: too few students to report‹11
this school district, same group California, same group

Showing up, and staying in class

Chronic absenteeismChronic absenteeism: this school 8.8%, district 29.0%, state 30.2%8.8% · −21.4pp vs state
Suspension rateSuspension rate: this school 0.6%, district —, state 3.6%0.6% · −3.0pp vs state
Chronic absenteeism by grade band
Grades 9–124.4%

Where the path goes

The path below is estimated from nearby schools in the same district — scores shown for each next step.

Estimated K-12 Path
High
Grizzly ChalleNGe Charter
29
This school

Estimated K-12 path based on district and proximity. Actual attendance zones may differ. Contact your school district for official feeder information.

The people teaching here

Context — never part of the Scope Score
Student : teacherStudent to teacher ratio: this school 17:1, district 24:117:1
Teaching staff18 teachers
Avg. experience11.6 years
Fully credentialed75%
First-year teachers6%
Salary Schedule
Teacher salary schedule$57,176 – $134,739
Principal salary$0 – $0
Superintendent salary$261,280

Pay is set by the district, not the school.

Course Breadth
AP courses offered0
AP exam qualifiers1 students
CTE pathway completers9 students

What gets spent here

Per-pupil spendingPer-pupil spending: $73,425, CA average $14,815$73,425 · spent at this school

These measure different things: this figure is spending attributed to this campus, while district-wide figures also include central administration, districtwide programs, and the state's pension contributions made on the district's behalf — costs that never get assigned to a single school. The district number runs higher at nearly every school, not just this one.

Federal share$6,079 per student

$6,079 per student arrives as federal Title funding — a measure of concentrated need, not school quality.

Where the district's dollars go · FY 2024–25 · CDE SACS
Instruction22%
Instruction support36%
Student services11%
Administration23%
Buildings & maintenance8%

District-level, from the district's own SACS general-ledger filing — school-by-school breakdowns aren't published by the state.

district detail, 2016–2020 — the newest published
2020$87,084 per pupil
2019$73,837 per pupil
2018$74,448 per pupil
2017$72,312 per pupil
2016$62,664 per pupil

Source: NCES F-33 · Full district breakdown →

The neighborhood it serves

Hispanic88.8%
District 54.8% · CA 56.1%
White6.2%
District 36.8% · CA 19.9%
Black2.1%
District 1.1% · CA 4.8%
Other1.7%
District 6.6% · CA 9.0%
Asian1.2%
District 0.7% · CA 10.2%
GenderFemale 32.4%Male 67.6%
Low IncomeFree/reduced lunch eligible 84.7% (21pp above CA avg)
Neighborhood — American Community Survey
Median income$60K · CA $85K
Median home value$950K · CA $659K
Bachelor's degree+55% · CA 35%
ZIP population25,002
Median age23 years

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2024) · ZIP-level

Worth Knowing

At 241 students, this school is much smaller than the typical California high school (≈1450).

On the state's science test (CAST), 6% met or exceeded the standard — science is tested in grades 5 and 8 but never enters the Scope Score.

Frequently asked questions

Is Grizzly ChalleNGe Charter a good high school?

Grizzly ChalleNGe Charter has a Scope Score of 29 out of 100, placing it in the 22nd percentile of California high schools and ranked #1,683 statewide. 1.9% of students exceeded the state standard on the 2025 CAASPP assessment, which is 13.9 percentage points below the California average of 15.8%. The Scope Score weights 7 dimensions for high schools: graduation rate (25%), exceeded standard (22%), college/career readiness (20%), met or exceeded (proficient) (18%), chronic absenteeism (5%), suspension rate (5%), and ELPAC English Learner proficiency (5%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.

What are Grizzly ChalleNGe Charter's CAASPP test scores?

On the 2025 CAASPP Smarter Balanced Assessment, 6.3% of students at Grizzly ChalleNGe Charter met or exceeded the state standard in ELA and Math combined, and 1.9% exceeded it. The gap between those numbers matters: 4.4% of students are at the proficiency floor, while 1.9% pushed past it. Most rating sites report only the combined "proficient" number. SchoolScope surfaces the exceeded-vs-met split because it reveals whether a school's curriculum challenges students beyond minimum proficiency or paces toward it. 157 student-subject combinations were assessed.

How does Grizzly ChalleNGe Charter rank in California?

Grizzly ChalleNGe Charter ranks #1,683 among California high schools by Scope Score, placing it in the 22nd percentile. This ranking is based on a weighted composite of 2025 CAASPP test performance (exceeded and met rates), chronic absenteeism, and suspension rate. Unlike single-number ratings, the Scope Score shows what drives the ranking so parents can decide what matters most to their family. See full methodology.

What is the attendance and school culture like at Grizzly ChalleNGe Charter?

8.8% of students at Grizzly ChalleNGe Charter are chronically absent (missing 10% or more of school days), which is better than the California average of 30.2%. The suspension rate is 0.6%, indicating a low-discipline-incident environment. SchoolScope includes these culture metrics in the Scope Score because they reflect day-to-day school experience in ways test scores alone cannot.

How does Grizzly ChalleNGe Charter compare to other schools in San Luis Obispo?

Grizzly ChalleNGe Charter scores 29/100 (22nd percentile) among California high schools. To compare with nearby schools, SchoolScope shows the same metrics side by side: exceeded rate, proficiency, growth trajectory, and school culture indicators. The school serves 241 students. Use the schools in San Luis Obispo page or the map view to compare all high schools nearby.

How does Grizzly ChalleNGe Charter serve low-income and underrepresented students?

At Grizzly ChalleNGe Charter in San Luis Obispo, 9.1% of low-income students met or exceeded the ELA standard in 2025, compared to 11.1% district-wide and 38.2% statewide. Grizzly ChalleNGe Charter trails its district average for low-income students by 2.0 percentage points in ELA. Other subgroups: Low-Income students (1.5% Math proficient); Hispanic students (7.3% ELA proficient). The largest proficiency gap is 6.6 percentage points for english learner students. Data source: California Department of Education, CAASPP 2024-25. 66 students tested. SchoolScope shows disaggregated test scores by demographic subgroup so you can see how a school performs for your child's specific group — not just the school-wide average. Subgroup data is context, not part of the Scope Score: we don't penalize schools for who they serve. See our equity approach.

Your other options

Private alternatives nearby

Private schools within ~10 miles. These schools do not participate in state testing and cannot be scored or ranked.


For the data nerds

Every number on this page

Score factors, grade-level breakdowns, subgroup proficiency, and peer comparisons.

01Score factorsWeighted composite · 2024–25
Graduation rate · 25%
85.9%
↓ vs CA 87.6% · 48th pctile
Exceeded standard · 22%
1.9%
↓ vs CA 15.8% · 35th pctile
College readiness · 20%
0.6%
↓ vs CA 35.4% · 30th pctile
Met or exceeded · 18%
6.3%
↓ vs CA 35.7% · 29th pctile
Chronic absenteeism · 5%
8.8%
↑ vs CA 30.2% · 67th pctile
Suspension rate · 5%
0.6%
↑ vs CA 3.6% · 64th pctile
02By grade & subgroupCAASPP 2024–25 · % of tested students
ELATestedEXCMETNEARNOTMET++/CA
Grade 11793%9%44%44%11%−36
MathTestedEXCMETNEARNOTMET++/CA
Grade 11781%0%8%91%1%−22
Science (CAST)TestedEXCMETNEARNOT
Grade 5/8/11350%6%74%20%

CAST is tested in grades 5, 8, and once in high school — not annually. Not part of the Scope Score.

Subgroup · ELATestedMET+vs districtvs CA
Socioeconomically Disadvantaged669.1%−2−29
Hispanic/Latino687.3%−1−31
English Learners214.8%+1−6
03Peer comparison · nearest high schoolssorted by Scope Score
SchoolDistScopeEXCMET+GrowthSusp
Grizzly ChalleNGe Charter ←291.9%6.3%0.6%
San Luis Obispo County Community1.2 mi230.0%5.0%4.0%
California average4415.8%35.7%3.6%
04More measurescontext · not all part of the Scope Score
Graduation Rate
85.9%
AP Exam Prepared
0.6%
A-G Completion
0.0%
This school may not offer A-G courses
College-Going Rate
36.3%
YearScopePctileRankExcMet+AbsentSuspGrowth
20193024#15560.0%8.5%11.7%0.6%
20222923#16211.2%11.0%14.3%0.7%
20233127#15814.9%15.3%12.0%0.8%
20242922#16610.6%7.7%7.1%0.6%
20252922#16831.9%6.3%8.8%0.6%
NO STATEWIDE TESTING 2020–21 (COVID) · SCORE AND PERCENTILE ARE RELATIVE TO EACH YEAR'S FIELD
What we can't show
  • — Low-income students here trail the state average for their group by 29 points in ELA — worth asking how the school is closing that gap.
05Climate by student groupchronic absenteeism · 2019 vs 2025 — the two years CDE publishes at subgroup level
Group20192025Δ
Female6.7%2.6%-4.1pp
Male11.1%5.2%-5.9pp
Hispanic/Latino9.9%5.0%-4.9pp
Students with Disabilities7.4%4.5%-2.9pp
English Learners12.9%7.6%-5.3pp
Homeless14.0%4.7%-9.3pp
Socioeconomically Disadvantaged10.4%5.0%-5.4pp
All Students9.8%4.4%-5.4pp
Black/African American0.0%
EXC = exceeded standard · MET+ = met or exceeded ("proficient") · Source: CA Dept. of Education · CAASPP 2024–25 · n=2,160 high schools · Vintages: climate subgroups 2019+2025 · district finance per its label · ACS 2022 · Data updated 2026-07-03methodology · data updates · CSV · report issue

SchoolScope scores and verdicts are our interpretation of public California Department of Education data — independent analysis, not an official rating. How we analyze · Request a correction