ExploreMapCompareBlogSign in
Arroyo High · El Monte

Arroyo High: Most kids here clear the bar, year after year. The question is what happens after that.

Arroyo posts 51% meeting the standard, and 26.5% going well past it. Most kids here keep up. Fewer get pushed further. Ask the school what it does for a child who already finds the work easy.

4921 North Cedar Avenue, 91732 (opens in new tab)·El Monte Union High·El Monte·Grades 9-12·1,638 students·84% low-income·2024–25 CAASPP·(626) 444-9201·Website
2019–2025 trend · CDE CAASPP
This schoolCA avg
Scope5744
% Exceeded27%16%
% Met+51%36%
Grad rate93.3%87.6%
College readiness71.1%35.4%
Absence16.5%30.2%
Suspension4.1%3.6%
Scope Score
57
🌱 Building Momentum · Solid
ranked #458 statewide · #2 of 7 in El Monte Union High

Arroyo High scores 57 of 100 on SchoolScope's Scope Score — the 79th 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 →

🌱 Building Momentum — This label means the data doesn't clearly sort the school one way or the other — ask what the school is proud of, and what it's working on.

Most rating sites would stop at “51% proficient” and call it done. Arroyo deserves a closer read. The school sits in El Monte, where four in five students qualify for free or reduced lunch — and reading the numbers without that context misreads the school.

Arroyo's low-income kids hit 56.9% proficiency in ELA — a number the same group reaches at 38.2% statewide. If you're trying to read past zip-code-driven test scores, that's the signal worth weighing.

The seven-year arc

Percentile among 2,160 high schools statewide

Has held the 79th-percentile line every tested year since 2019.

CA Dashboard
ELAOrange(Declined Significantly)MathBlue(Increased Significantly)

This school hasn't fully recovered from the pandemic: 51% meet the standard today, versus 56% in 2019 — a gap worth asking about on a visit.

ELA — % met or exceeded, by grade
Grade20192022202320242025
Grade 1168%66%71%63%61%
Math — % met or exceeded, by grade
Grade20192022202320242025
Grade 1143%34%38%36%40%

The story this school is actually telling

Proficient by 11th grade
51%
State 36%
Graduate
93%
State 88%
Pass an AP exam
71%
State 35%

Of 100 students here: 51 are proficient by 11th grade → 93 graduate → 71 pass an AP exam. The gaps between those bars are the questions to ask.

56.9%
Low-income · ELA · met standard

Arroyo's most underrated number

56.9% of low-income students met the ELA standard — versus 38.2% for the same group statewide. That's the strongest kind of signal a school can post: it holds across income lines.

Arroyo low-income: 56.9%State low-income: 38.2%

The 7 things our score weighs

Graduation rate
93.3%
State 87.6%
5.7pp above state avg
Exceeded standard
26.5%
State 15.8%
10.7pp above state avg
College readiness
71.1%
State 35.4%
AP exam pass rate above state avg
Met or exceeded
50.7%
State 35.7%
15.0pp above state avg
Chronic absenteeism
16.5%
State 30.2%
13.7pp below state avg
Suspension rate
4.1%
State 3.6%
0.5pp above state avg
EL proficiency (ELPAC)
8.5%
State 18.0%
9.4pp below 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 extra support — tutoring, counseling, small groups — reaches kids across income lines, not just the students already ahead.
  • 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 Arroyo High in El Monte, 56.9% of low-income students met or exceeded the ELA standard in 2025, compared to 56.3% district-wide and 38.2% statewide. Arroyo High outperforms its district average for low-income students by 0.6 percentage points in ELA. Other subgroups: Low-Income students (37.0% Math proficient); Hispanic students (53.1% ELA proficient). The largest proficiency gap is 51.7 percentage points for english learner students. Data source: California Department of Education, CAASPP 2024-25. 321 students tested.

All students at this school: 51% met or exceeded
All StudentsAll Students: this school 51%, district —, state 36%51%
Socioeconomically DisadvantagedSocioeconomically Disadvantaged: this school 47%, district 42%, state 32%47% · −4 vs school
Hispanic/LatinoHispanic/Latino: this school 40%, district 34%, state 32%40% · −11 vs school
MaleMale: this school 48%, district 42%, state 42%48% · −3 vs school
FemaleFemale: this school 53%, district 46%, state 44%53% · +3 vs school
AsianAsian: this school 81%, district 77%, state 72%81% · +31 vs school
HomelessHomeless: this school 38%, district 39%, state 22%38% · −13 vs school
Students with DisabilitiesStudents with Disabilities: this school 12%, district 10%, state 15%12% · −39 vs school
English LearnersEnglish Learners: this school 9%, district 10%, state 11%9% · −41 vs school
WhiteWhite: too few students to report‹11
Black/African AmericanBlack/African American: too few students to report‹11
FilipinoFilipino: too few students to report‹11
Foster YouthFoster Youth: 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 16.5%, district 29.7%, state 30.2%16.5% · −13.7pp vs state
Suspension rateSuspension rate: this school 4.1%, district —, state 3.6%4.1% · +0.5pp vs state
Chronic absenteeism by grade band
Grades 9–1215.9%

The people teaching here

Context — never part of the Scope Score
Student : teacherStudent to teacher ratio: this school 21:1, district 21:121:1
Teaching staff92 teachers
Avg. experience18.6 years
Fully credentialed95%
Salary Schedule
Teacher salary schedule$71,151 – $140,515
Principal salary$0 – $202,179
Superintendent salary$310,188

Pay is set by the district, not the school.

Course Breadth
AP courses offered29
AP exam qualifiers143 students
CTE pathway completers21 students

What gets spent here

Per-pupil spendingPer-pupil spending: $22,192, CA average $14,815$22,192 · spent at this school
Federal share$1,528 per student

$1,528 per student arrives as federal Title funding — a measure of concentrated need, not school quality.

District current expense · FY 2024–25$25,007 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
Instruction51%
Instruction support10%
Student services16%
Administration7%
Buildings & maintenance14%
Other3%

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$15,158 per pupil
2019$16,014 per pupil
2018$15,285 per pupil
2017$14,911 per pupil
2016$13,460 per pupil

Source: NCES F-33 · Full district breakdown →

The neighborhood it serves

Hispanic72.5%
District 77.8% · CA 56.1%
Asian24.1%
District 20.0% · CA 10.2%
White1.7%
District 0.8% · CA 19.9%
Other1.4%
District 1.1% · CA 9.0%
Black0.3%
District 0.3% · CA 4.8%
Low IncomeFree/reduced lunch eligible 84.1% (20pp above CA avg)
Neighborhood — American Community Survey
Median income$75K · CA $85K
Median home value$644K · CA $659K
Bachelor's degree+16% · CA 35%
ZIP population57,431
Median age38 years

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

Worth Knowing

On the state's science test (CAST), 15% met or exceeded the standard — science is tested in grades 5 and 8 but never enters the Scope Score.

Frequently asked questions

Is Arroyo High a good high school?

Arroyo High has a Scope Score of 57 out of 100, placing it in the 79th percentile of California high schools and ranked #458 statewide. 26.5% of students exceeded the state standard on the 2025 CAASPP assessment, which is 10.7 percentage points above 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 Arroyo High's CAASPP test scores?

On the 2025 CAASPP Smarter Balanced Assessment, 50.7% of students at Arroyo High met or exceeded the state standard in ELA and Math combined, and 26.5% exceeded it. The gap between those numbers matters: 24.2% of students are at the proficiency floor, while 26.5% 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. 770 student-subject combinations were assessed.

How does Arroyo High rank in California?

Arroyo High ranks #458 among California high schools by Scope Score, placing it in the 79th 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 Arroyo High?

16.5% of students at Arroyo High are chronically absent (missing 10% or more of school days), which is better than the California average of 30.2%. The suspension rate is 4.1%. 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 Arroyo High compare to other schools in El Monte?

Arroyo High scores 57/100 (79th 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 1,638 students. Use the schools in El Monte page or the map view to compare all high schools nearby.

How does Arroyo High serve low-income and underrepresented students?

At Arroyo High in El Monte, 56.9% of low-income students met or exceeded the ELA standard in 2025, compared to 56.3% district-wide and 38.2% statewide. Arroyo High outperforms its district average for low-income students by 0.6 percentage points in ELA. Other subgroups: Low-Income students (37.0% Math proficient); Hispanic students (53.1% ELA proficient). The largest proficiency gap is 51.7 percentage points for english learner students. Data source: California Department of Education, CAASPP 2024-25. 321 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%
93.3%
↑ vs CA 87.6% · 57th pctile
Exceeded standard · 22%
26.5%
↑ vs CA 15.8% · 61th pctile
College readiness · 20%
71.1%
↑ vs CA 35.4% · 71th pctile
Met or exceeded · 18%
50.7%
↑ vs CA 35.7% · 61th pctile
Chronic absenteeism · 5%
16.5%
↑ vs CA 30.2% · 61th pctile
Suspension rate · 5%
4.1%
↓ vs CA 3.6% · 48th pctile
EL proficiency (ELPAC) · 5%
8.5%
↓ vs CA 18.0% · 37th pctile
02By grade & subgroupCAASPP 2024–25 · % of tested students
ELATestedEXCMETNEARNOTMET++/CA
Grade 1138431%30%21%18%61%+14
MathTestedEXCMETNEARNOTMET++/CA
Grade 1138622%18%20%39%40%+17
Science (CAST)TestedEXCMETNEARNOT
Grade 5/8/11595%10%69%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 Disadvantaged32156.9%+1+19
Hispanic/Latino27653.1%+2+14
Asian10285.3%+2+11
03Peer comparison · nearest high schoolssorted by Scope Score
SchoolDistScopeEXCMET+GrowthSusp
Arroyo High ←5726.5%50.7%4.1%
Arcadia High2.8 mi7037.9%64.6%0.9%
El Monte High2.2 mi5527.7%55.4%4.8%
Opportunities for Learning - Baldwin Park1.8 mi5021.6%41.0%0.8%
California average4415.8%35.7%3.6%
04More measurescontext · not all part of the Scope Score
Graduation Rate
93.3%
AP Exam Prepared
71.1%
A-G Completion
40.1%
A-G are the 15 courses (across 7 subjects) required for UC/CSU eligibility
College-Going Rate
70.7%
YearScopePctileRankExcMet+AbsentSuspGrowth
20196283#34025.6%55.6%8.9%2.1%
20225983#34927.1%50.4%25.7%4.1%
20236086#29929.3%54.5%19.0%3.8%
20245883#36925.2%49.5%16.3%3.5%
20255779#45826.5%50.7%16.5%4.1%
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
Female9.4%18.0%+8.6pp
Male7.3%14.1%+6.8pp
Asian1.9%2.0%+0.1pp
White0.0%0.0%+0.0pp
Hispanic/Latino10.3%20.8%+10.5pp
Students with Disabilities13.1%24.1%+11.0pp
English Learners5.7%17.1%+11.4pp
Foster Youth50.0%
Homeless9.2%18.1%+8.9pp
Military-Connected5.1%23.1%+18.0pp
Socioeconomically Disadvantaged8.5%17.5%+9.0pp
All Students8.3%15.9%+7.6pp
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