Arroyo High
🇺🇸 Official data · 2025El Monte, California 91732 · El Monte Union High
#485 of 1,343 high schools in California
#9747 of 16,910 nationally
About Arroyo High
Arroyo High is a public high located in El Monte, in the El Monte Union High school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,638 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 44.7 out of 100, placing it in the lower 50% of high schools in United States and 485th of 1,343 ranked high schools in California. Its strongest component is reading proficiency (72th percentile), and its weakest is students per teacher (13th percentile).
Other published figures: enrollment 1,638.
There are 23 schools in El Monte; Arroyo High ranks 3rd of 23 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)43%
- Reading proficiency (30%)68%
- Community advantage (fewer free/reduced-price lunch) (25%)84.1%
- Students per teacher (15%)21.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Arroyo High by the official sources.
- Enrollment
- 1,638
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 84.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 21.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 68%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 43%
- Share of tested students proficient or above (all students, all grades).
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Schools near Arroyo High
Closest schools by straight-line distance, with their Success Index (US).
Wright Elementary
El Monte · Public elementary · Grades K–8
562 students · 890 m away
Cleminson Elementary
Temple City · Public elementary · Grades K–6
316 students · 1.1 km away
Rio Hondo Elementary
Arcadia · Public elementary · Grades K–8
636 students · 1.2 km away
Cherrylee Elementary
El Monte · Public elementary · Grades K–6
292 students · 1.3 km away
Legore Elementary
El Monte · Public elementary · Grades K–6
516 students · 1.6 km away
Gidley Elementary
El Monte · Public elementary · Grades K–8
454 students · 2.0 km away
Rio Vista Elementary
El Monte · Public elementary · Grades K–6
294 students · 2.0 km away
Durfee Elementary
El Monte · Public elementary · Grades K–8
1,120 students · 2.2 km away
Longley Way Elementary
Arcadia · Public elementary · Grades K–5
541 students · 2.4 km away
Columbia Elementary
El Monte · Public elementary · Grades K–8
706 students · 2.7 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Mt. Whitney High
Visalia · Public high · Grades 9–12
1,637 students
Pacifica High
Garden Grove · Public high · Grades 9–12
1,634 students
Napa High
Napa · Public high · Grades 9–12
1,642 students
Del Oro High
Loomis · Public high · Grades 9–12
1,634 students
Marco Antonio Firebaugh High
Lynwood · Public high · Grades 9–12
1,633 students
Henry M. Gunn High
Palo Alto · Public high · Grades 9–12
1,643 students
Frequently asked questions
Is Arroyo High a good school?
Arroyo High has a Success Index (US) of 44.7 out of 100 (Lower 50% of high schools in United States) and ranks #485 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Arroyo High rank in California?
Arroyo High ranks #485 of 1,343 high schools in California and #9747 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Arroyo High?
Arroyo High had 1,638 students in 2025.
Is Arroyo High a elementary school or a high school?
Arroyo High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Arroyo High?
There are 10 schools within 15 km of Arroyo High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.