Very Good
#2228 of 9,533 schools in CA
Top 23% in state
Arroyo High
High School · El Monte Union High
4921 North Cedar Ave., EL Monte, CA 91732
Enrollment
1,698
Student-Teacher
22.9:1
Score
7.5
Grades
9th – 12th
Enrollment
1,698
Student-Teacher
22.9:1
Score
7.5
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In EL Monte
#9 of 25
public schools
California high schools
#393 of 1,892
In district
#2 of 7
El Monte Union High
Equity
9.0 / 10
Exceptional
About Arroyo High
Arroyo High serves 1,698 students in grades 9-12 in El Monte, offering a comprehensive high school education with a student-teacher ratio of 22.9:1 and 74 full-time equivalent teachers. The school has earned recognition for its solid academic performance, ranking #2476 out of 9566 California high schools and placing in the 74th percentile statewide with a MySchoolScout rating of 7.1 out of 10. Academically, Arroyo High shows particular strength in English Language Arts, with 63% of students scoring proficient or above across grade levels.
Mathematics presents opportunities for growth, with 36% of students achieving proficiency. These results reflect the school's ongoing commitment to supporting student achievement across diverse learning needs. The school draws from a working-class community where the median household income is $62,047 and 16.4% of families live below the poverty line.
Despite economic challenges, with only 14% of local residents holding bachelor's degrees, Arroyo High continues to provide educational pathways for students from varied backgrounds. Located on North Cedar Avenue, Arroyo High sits in the heart of El Monte's large suburban landscape, serving as an educational anchor in this densely populated Los Angeles County community of nearly 59,000 residents.
What Parents Should Know
The student-teacher ratio at Arroyo High is 22.9:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Arroyo High — Students at Arroyo High score 49% proficient, which is above what's typical for similar communities (expected: 27%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
84.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 6 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.6/10.
How Arroyo High Compares
See how Arroyo High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 43% (2019) to 36.1% (2024). Reading/ELA proficiency has declined from 68% (2019) to 62.84% (2024).
Location
4921 North Cedar Ave., EL Monte, CA 91732
Nearby Alternatives
Families considering Arroyo High may also want to explore other high schools in the area. RIO HONDO PREP (rated 8.5/10, 0.4 miles away, in nearby Arcadia), which scores slightly higher. Another option is El Monte Union High School Community Day (rated 7.5/10, 0.2 miles away), with a very similar rating. Additionally, RIO HONDO PREPARATORY (rated 6.9/10, 0.4 miles away, in nearby Arcadia), with a comparable rating. For more schools in EL Monte, see our EL Monte schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| SHIELD OF FAITH CHRISTIAN SCHOOL El Monte | 0.2 mi | 7.4 |
| Shield of Faith Christian School-EHE El Monte | 0.2 mi | — |
| El Monte Union High School Community Day El Monte | 0.2 mi | 7.5 |
| RIO HONDO PREPARATORY Arcadia | 0.4 mi | 6.9 |
| RIO HONDO PREP Arcadia | 0.4 mi | 8.5 |
| Wright Elementary El Monte | 0.6 mi | 6.2 |
| Rio Hondo Elementary Arcadia | 0.7 mi | 5.7 |
| Cleminson Elementary Temple City | 0.7 mi | 5.6 |
| Cherrylee Elementary El Monte | 0.8 mi | 5.3 |
| ANGELA PRESCHOOL & KINDERGARTEN Arcadia | 1.0 mi | — |
| Legore Elementary El Monte | 1.0 mi | 8.1 |
| ACADEMICISE INT. PRESCHOOL & KINDERGARTEN Arcadia | 1.0 mi | — |
| Calvary Chapel El Monte Homeschool Academy El Monte | 1.0 mi | — |
| LOVE & CARE CHRISTIAN PRESCHOOL Temple City | 1.1 mi | — |
| Nativity El Monte | 1.3 mi | — |
| Rio Vista Elementary El Monte | 1.2 mi | 9.3 |
| Gidley Elementary El Monte | 1.2 mi | 8.3 |
| Durfee Elementary El Monte | 1.4 mi | 6.8 |
| Thompson Elementary El Monte | 1.4 mi | — |
| NEW LIFE CHRISTIAN SCHOOL El Monte | 1.6 mi | 5.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91732 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$67,172
Median Home Value
$628,400
Median Rent
$1,752/mo
Population
58,056
College Educated
15.3%
Homeownership
43.6%
Avg Commute
28.9 min
Poverty Rate
16.8%
Median Age
38.3
Community Profile
The community surrounding Arroyo High has a median household income of $67,172. It is a community where 15% of adults hold a bachelor's degree or higher. The median home value in the area is $628,400, with a median rent of $1,752/month. The area has a poverty rate of 16.8%. The average commute for residents is 29 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alameda High Alameda, CA | 7.5 |
| Bell Senior High Bell, CA | 7.5 |
| Citrus Hill High Perris, CA | 7.5 |
| Claremont High Claremont, CA | 7.5 |
| Davis Senior High Davis, CA | 7.5 |
| John F. Kennedy High Granada Hills, CA | 7.5 |
Frequently Asked Questions
Common questions about Arroyo High
What grades does Arroyo High serve?
Arroyo High serves students in grades 9th through 12th.
How many students attend Arroyo High?
Arroyo High has an enrollment of approximately 1,698 students.
What is the student-teacher ratio at Arroyo High?
The student-teacher ratio at Arroyo High is 22.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Arroyo High rank in CA?
Arroyo High is ranked #2228 out of 9,533 schools in CA.
What is Arroyo High's MySchoolScout rating?
Arroyo High has a composite rating of 7.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Arroyo High?
Based on the most recent state assessment data, Arroyo High has 38.4% math proficiency and 64.6% reading/ELA proficiency.
Is Arroyo High a charter school?
No, Arroyo High is not a charter school. It is a traditional public school operated by the local school district.
Is Arroyo High a Title I school?
No, Arroyo High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Arroyo High?
84.6% of students at Arroyo High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- Walk Score
- 61 Somewhat Walkable
- Transit Score
- 38 Some Transit
- Bike Score
- 73 Very Bikeable
- City Safety
- High (2,489/100K)
Powered by 
FBI UCR 2024. City-level (EL Monte). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,698
- Student-Teacher Ratio
- 22.9:1
- Teachers (FTE)
- 74
- Free/Reduced Lunch
- 84.6%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (626) 444-9201
- Data Year
- 2023–2024
Resources & Links
District
El Monte Union High- District Enrollment
- 7,677
- Schools in District
- 7
- Per-Pupil Spending
- $20,640
- District Rank
- #2 of 7
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.