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Ruth Musser Middle · Rancho Cucamonga

Ruth Musser Middle: This school runs ahead of the state average. The bar itself is the harder conversation.

Ruth Musser posts 43% meeting the standard against 39% statewide — ahead of most, with real headroom above the bar.

2019–2025 trend · CDE CAASPP
This schoolCA avg
Scope4343
% Exceeded20%17%
% Met+43%39%
Growth+8.4+1.5
Absence20.4%18.5%
Suspension2.7%3.7%
Scope Score
43
📈 On the Rise · Developing
ranked #1,016 statewide

Ruth Musser Middle scores 43 of 100 on SchoolScope's Scope Score — the 55th percentile of 2,238 California middle schools (CDE CAASPP 2025).

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

📈 On the Rise — Ask how many years the improvement has held, not just the latest one — one strong cohort and a real turnaround can look identical in a single year of data.

Most rating sites would stop at “43% proficient” and call it done. Ruth Musser deserves a closer read. The school sits in Rancho Cucamonga, where two-thirds of students qualify for free or reduced lunch — and reading the numbers without that context misreads the school.

The seven-year arc

Percentile among 2,238 middle schools statewide

Slipped from the 71st to the 55th percentile since 2019.

CA Dashboard
ELAYellow(Declined)MathYellow(Declined Significantly)

This school hasn't fully recovered from the pandemic: 43% meet the standard today, versus 50% in 2019 — a gap worth asking about on a visit.

ELA — % met or exceeded, by grade
Grade20192022202320242025
Grade 563%54%57%61%51%
Grade 652%60%56%52%50%
Grade 762%63%61%49%51%
Grade 860%65%63%56%63%
Math — % met or exceeded, by grade
Grade20192022202320242025
Grade 542%31%28%29%26%
Grade 640%41%38%32%31%
Grade 742%32%33%30%28%
Grade 845%33%30%33%36%

The story this school is actually telling

The school, grade by grade

ELA · CAASPP 2024–25

Different students, same year — each bar is one grade's proficiency mix.

24%
26%
50%
Grade 6 · 50% proficient
18%
33%
49%
Grade 7 · 51% proficient
27%
36%
37%
Grade 8 · 63% proficient

The honest read: the share exceeding rises 2.5pp across grades; the floor rises 12.2pp. The state average falls 0.5pp over the same span. Kids here gain ground the longer they stay — the pattern you want to see. A school visit and conversation with teachers will tell you more than this number.

The 6 things our score weighs

Exceeded standard
20.0%
State 16.8%
3.2pp above state avg
Growth (G6→G8)
+8.4pp
State +1.5pp
Scores improve across grades
Met or exceeded
43.2%
State 39.3%
3.9pp above state avg
Chronic absenteeism
20.4%
State 18.5%
1.8pp above state avg
Suspension rate
2.7%
State 3.7%
0.9pp below state avg
EL proficiency (ELPAC)
22.4%
State 18.0%
4.4pp above state avg
Worth a school visit

Ask how the school challenges kids who clear the standard early. The gap between meeting and exceeding is where pacing shows.

  • 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 Ruth Musser Middle in Rancho Cucamonga, 47.3% of low-income students met or exceeded the ELA standard in 2025, compared to 44.4% district-wide and 38.2% statewide. Ruth Musser Middle outperforms its district average for low-income students by 2.9 percentage points in ELA. Other subgroups: Low-Income students (24.8% Math proficient); Hispanic students (53.5% ELA proficient). The largest proficiency gap is 36.3 percentage points for disabilities students. Data source: California Department of Education, CAASPP 2024-25. 645 students tested.

All students at this school: 43% met or exceeded
All StudentsAll Students: this school 43%, district —, state 39%43%
Socioeconomically DisadvantagedSocioeconomically Disadvantaged: this school 36%, district 36%, state 32%36% · −7 vs school
MaleMale: this school 42%, district 40%, state 42%42% · −1 vs school
FemaleFemale: this school 43%, district 43%, state 44%43% · +1 vs school
Hispanic/LatinoHispanic/Latino: this school 39%, district 39%, state 32%39% · −3 vs school
Black/African AmericanBlack/African American: this school 25%, district 24%, state 26%25% · −18 vs school
WhiteWhite: this school 52%, district 53%, state 56%52% · +9 vs school
Students with DisabilitiesStudents with Disabilities: this school 11%, district 17%, state 15%11% · −31 vs school
AsianAsian: this school 63%, district 62%, state 72%63% · +21 vs school
Two or More RacesTwo or More Races: this school 46%, district 46%, state 56%46% · +4 vs school
English LearnersEnglish Learners: this school 12%, district 18%, state 11%12% · −31 vs school
HomelessHomeless: this school 8%, district 22%, state 22%8% · −34 vs school

5 of 17 student groups here are too small to report — a privacy protection, not a gap.

this school district, same group California, same group
Subgroup growth by grade

Change in proficiency from the lowest tested grade — which groups gain ground the longer they stay. Groups with fewer than 10 tested students per grade are not shown.

Low-income student ELA proficiency rises by 12.0pp from grade 6 to grade 8 at this school. District average: +4.8pp.

Showing up, and staying in class

Chronic absenteeismChronic absenteeism: this school 20.4%, district 19.7%, state 18.5%20.4% · +1.8pp vs state
Suspension rateSuspension rate: this school 2.7%, district —, state 3.7%2.7% · −0.9pp vs state
Chronic absenteeism by grade band
Grades 4–619.2%
Grades 7–821.3%

Where the path goes

The path below follows attendance boundaries — scores shown for each next step.

K-12 Feeder Path

Feeder patterns derived from NCES attendance boundary data. Boundaries are approximate and may have changed — verify with your school district for current assignments.

The people teaching here

Context — never part of the Scope Score
Student : teacherStudent to teacher ratio: this school 23:1, district 24:123:1
Teaching staff42 teachers
Avg. experience10.9 years
Fully credentialed68%
First-year teachers12%
Intern / emergency permit1.9%
Salary Schedule
Teacher salary schedule$53,189 – $117,692
Principal salary$151,236 – $0
Superintendent salary$293,013

Pay is set by the district, not the school.

What gets spent here

Per-pupil spendingPer-pupil spending: $17,268, CA average $14,815$17,268 · spent at this school
Federal share$249 per student

$249 per student arrives as federal Title funding — a measure of concentrated need, not school quality.

District current expense · FY 2024–25$16,326 per student

The district's current expense of education per student, from CDE's annual SACS filing — the freshest district spending figure the state publishes.

Where the district's dollars go · FY 2024–25 · CDE SACS
Instruction63%
Instruction support10%
Student services10%
Administration8%
Buildings & maintenance9%

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$12,256 per pupil
2019$10,979 per pupil
2018$11,154 per pupil
2017$10,171 per pupil
2016$10,283 per pupil

Source: NCES F-33 · Full district breakdown →

The neighborhood it serves

Hispanic46.9%
District 57.5% · CA 56.1%
Black16.1%
District 11.9% · CA 4.8%
White15.0%
District 13.9% · CA 19.9%
Asian11.3%
District 8.0% · CA 10.2%
Other10.8%
District 8.8% · CA 9.0%
Low IncomeFree/reduced lunch eligible 68.7% (5pp above CA avg)
Neighborhood — American Community Survey
Median income$92K · CA $85K
Median home value$616K · CA $659K
Bachelor's degree+33% · CA 35%
ZIP population71,613
Median age36 years

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

Worth Knowing

On the state's science test (CAST), 36% met or exceeded the standard — science is tested in grades 5 and 8 but never enters the Scope Score.

Frequently asked questions

Is Ruth Musser Middle a good middle school?

Ruth Musser Middle has a Scope Score of 43 out of 100, placing it in the 55th percentile of California middle schools and ranked #1,016 statewide. 20.0% of students exceeded the state standard on the 2025 CAASPP assessment, which is 3.2 percentage points above the California average of 16.8%. The Scope Score weights 6 dimensions for middle schools: exceeded standard (38%), grade 6-to-8 growth (27%), met or exceeded (proficient) (20%), 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 Ruth Musser Middle's CAASPP test scores?

On the 2025 CAASPP Smarter Balanced Assessment, 43.2% of students at Ruth Musser Middle met or exceeded the state standard in ELA and Math combined, and 20.0% exceeded it. The gap between those numbers matters: 23.2% of students are at the proficiency floor, while 20.0% 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. 1,565 student-subject combinations were assessed.

How does Ruth Musser Middle rank in California?

Ruth Musser Middle ranks #1,016 among California middle schools by Scope Score, placing it in the 55th percentile. This ranking is based on a weighted composite of 2025 CAASPP test performance (exceeded and met rates), grade-level growth (Grade 6 to grade 8 growth), 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.

Is Ruth Musser Middle getting better or worse?

Based on 2025 CAASPP data, proficiency at Ruth Musser Middle increases by 8.4 percentage points from Grade 6 to grade 8 growth. This upward trajectory suggests the school is adding measurable value — students leave with higher proficiency rates than they entered with. Growth trajectory is weighted at 15% in the middle Scope Score because it measures what the school does, not just who walks in the door.

What is the attendance and school culture like at Ruth Musser Middle?

20.4% of students at Ruth Musser Middle are chronically absent (missing 10% or more of school days), compared to the California average of 18.5%. The suspension rate is 2.7%. 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 Ruth Musser Middle compare to other schools in Rancho Cucamonga?

Ruth Musser Middle scores 43/100 (55th percentile) among California middle 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 941 students. Use the schools in Rancho Cucamonga page or the map view to compare all middle schools nearby.

How does Ruth Musser Middle serve low-income and underrepresented students?

At Ruth Musser Middle in Rancho Cucamonga, 47.3% of low-income students met or exceeded the ELA standard in 2025, compared to 44.4% district-wide and 38.2% statewide. Ruth Musser Middle outperforms its district average for low-income students by 2.9 percentage points in ELA. Other subgroups: Low-Income students (24.8% Math proficient); Hispanic students (53.5% ELA proficient). The largest proficiency gap is 36.3 percentage points for disabilities students. Data source: California Department of Education, CAASPP 2024-25. 645 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
Exceeded standard · 38%
20.0%
↑ vs CA 16.8% · 53th pctile
Growth (G6→G8) · 27%
+8.4pp
↑ vs CA +1.5pp · 43th pctile
Met or exceeded · 20%
43.2%
↑ vs CA 39.3% · 53th pctile
Chronic absenteeism · 5%
20.4%
↓ vs CA 18.5% · 47th pctile
Suspension rate · 5%
2.7%
↑ vs CA 3.7% · 54th pctile
EL proficiency (ELPAC) · 5%
22.4%
↑ vs CA 18.0% · 52th pctile
02By grade & subgroupCAASPP 2024–25 · % of tested students
ELATestedEXCMETNEARNOTMET++/CA
Grade 514027%24%21%28%51%+4
Grade 626624%26%27%22%50%+4
Grade 724818%33%24%25%51%+4
Grade 826727%36%22%16%63%+16
MathTestedEXCMETNEARNOTMET++/CA
Grade 514215%11%32%42%26%−9
Grade 626716%15%29%40%31%−4
Grade 724914%14%30%42%28%−6
Grade 826820%16%27%37%36%+4
Science (CAST)TestedEXCMETNEARNOT
Grade 5/8/1141113%23%49%15%

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 Disadvantaged64547.3%+3+9
Hispanic/Latino41953.5%+5+15
Black/African American16134.2%+2+1
03Peer comparison · nearest middle schoolssorted by Scope Score
SchoolDistScopeEXCMET+GrowthSusp
Ruth Musser Middle ←4320.0%43.2%+8.42.7%
Day Creek Intermediate3.4 mi7853.4%77.5%−0.72.3%
Alta Loma Junior High2.8 mi5425.7%53.8%+5.83.3%
Vineyard Junior High1.6 mi5428.7%58.2%−2.84.8%
California average4316.8%39.3%+1.53.7%
04More measurescontext · not all part of the Scope Score
YearScopePctileRankExcMet+AbsentSuspGrowth
20194971#57921.6%50.1%8.2%2.4%+6.4pp
20224671#63719.2%48.9%25.4%1.7%-1.1pp
20234867#73120.1%46.8%21.6%2.9%-0.8pp
20243954#101718.6%41.9%20.8%6.1%+2.2pp
20254355#101620.0%43.2%20.4%2.7%+8.4pp
NO STATEWIDE TESTING 2020–21 (COVID) · SCORE AND PERCENTILE ARE RELATIVE TO EACH YEAR'S FIELD
05Climate by student groupchronic absenteeism · 2019 vs 2025 — the two years CDE publishes at subgroup level
Group20192025Δ
Female8.3%20.5%+12.2pp
Male8.1%20.4%+12.3pp
Asian0.0%2.7%+2.7pp
Black/African American7.2%34.4%+27.2pp
White0.0%9.5%+9.5pp
Hispanic/Latino9.0%20.7%+11.7pp
Two or More Races15.9%23.0%+7.1pp
Students with Disabilities16.2%32.7%+16.5pp
English Learners6.8%7.1%+0.3pp
Homeless11.8%41.5%+29.7pp
Socioeconomically Disadvantaged9.3%23.1%+13.8pp
All Students8.2%20.4%+12.2pp
Filipino5.6%
EXC = exceeded standard · MET+ = met or exceeded ("proficient") · Source: CA Dept. of Education · CAASPP 2024–25 · n=2,238 middle 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