El Monte Union High School Community Day
Alternative · Grades 9–12 · 25 students
Arroyo High
4921 North Cedar Ave., El Monte, CA 91732
Grades
9–12
High
Students
1,638
Enrolled 2024–25
Students per teacher
21.1 : 1
Full-time teachers
District
El Monte Union High
Los Angeles County
Schola Grade B · Above average
Letter grade (A–F) · compared with 1,321 California high schools · How we grade
Percentiles compare this school with other California high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Arroyo High
Arroyo High is a public high school in El Monte, California, serving grades 9–12. It is part of El Monte Union High. The school is located in a large suburb in Los Angeles County.
In the 2024–25 school year, 1,638 students were enrolled, with about 21.1 students for every full-time teacher. That ratio is larger than the typical California high school (18.5 students per teacher). Its Schola Grade is B (above average), compared with 1,321 California high schools.
Grades & enrollment
Students per grade, 2024–25Grades 9–12
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 1,638 students
- Students per teacher
- 21.1 to 1
- AP courses offered
- 16
- Charter school
- No
- Magnet school
- No
- Locale
- Suburb — Large
- School district
- El Monte Union High
- County
- Los Angeles County
- NCES school ID
- 061212001363
Schools near Arroyo High
All 28 schools in El Monte →
Rio Hondo Prep
Private · Grades 7–12 · 179 students
Rio Hondo Preparatory
Private · Grades 7–12 · 177 students
Fernando R. Ledesma Continuation High
Alternative · Grades 10–12 · 293 students
Opportunities for Learning - Baldwin Park
Charter · Grades 7–12 · 219 students
El Monte High
Public · Grades 9–12 · 1,383 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.