SchoolRow
#532

Arroyo High

San Lorenzo, CA · San Lorenzo Unified · Grades 9-12

532nd of 1,528 California high schools statewide · better than 65% Improving

1,542
Students
2023–24 enrollment
25.3:1
Student / teacher ratio
65%
Free / reduced-price lunch
low-income indicator
14.4%
Chronically absent
CA average 20%

Arroyo High ranking

SchoolRow ranks Arroyo High 532nd of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 65% of high schools statewide. Its statewide percentile went from 54th in 2015 to 65th in 2025 — improving.

Statewide percentile by year
25%50%75%65%201520202025no testing 2020–21

Arroyo High test scores

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 335 students tested

English Language Arts
This school
59%
CA average
49%
Math
This school
31%
CA average
37%
Science
This school
28%
CA average
33%
English Language Arts over time this school CA average
25%50%75%59%49%201520202025no testing 2020–21
Math over time this school CA average
25%50%75%31%37%201520202025no testing 2020–21

Arroyo High students

Racial and ethnic breakdown of 1,542 students (202324, NCES) — and how it has shifted since 2013

Hispanic48%8%Asian33%5%
Hover the pie for details
Hispanic 48%White 8%Asian 33%43%15%31%8%20132023
GroupTrend20132023Change
Hispanic42.2%48.3% 6.1 pts
Asian30.7%32.7% 2.0 pts
White14.7%8.0% 6.7 pts
Black8.2%5.1% 3.1 pts
Two or more races1.4%3.4% 2.0 pts
Pacific Islander1.5%1.9% 0.4 pts
American Indian0.5%0.5% 0.0 pts

Homes near Arroyo High

Typical home value $818K in zip 94580 as of 2026-05 · trend since 2000

$235K$470K$704K$939K$843K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 94580 on Zillow →

High schools near Arroyo High

Closest same-level schools, with 2024–25 state rank

View on the map →

Frequently asked questions

What school district is Arroyo High in?

Arroyo High is part of the San Lorenzo Unified district in San Lorenzo, California.

Is Arroyo High a good school?

SchoolRow ranks Arroyo High 532nd of 1,528 California high schools (better than 65% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Arroyo High?

Hispanic 48%, Asian 33%, White 8%, Black 5% (1,542 students, 2023–24).

How much do homes near Arroyo High cost?

The typical home value in zip code 94580 is $818K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.