SchoolRow
#509

Atascadero High

Atascadero, CA · Atascadero Unified

Regular public school · Grades 9-12 · Suburb, small

509th of 1,528 California high schools statewide · better than 67% Declining

1 High School Hill, Atascadero, CA 93422

(805) 462-4300Official website ↗NCES ID 060330000247Directory 202324

1,114
Students
2023–24 enrollment
18.6:1
Student / teacher ratio
45%
Free / reduced-price lunch
low-income indicator
40.7%
Chronically absent
CA average 20%

SchoolRow ranks Atascadero High 509th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 67% of high schools statewide. Its statewide percentile went from 78th in 2015 to 67th in 2025 — declining.

Statewide percentile by year
25%50%75%67%201520202025no testing 2020–21

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 249 students tested

English Language Arts
Atascadero High
60%
CA average
49%
Math
Atascadero High
31%
CA average
37%
Science
Atascadero High
38%
CA average
33%
English Language Arts over time Atascadero High CA average
25%50%75%60%49%201520202025no testing 2020–21
Math over time Atascadero High CA average
25%50%75%31%37%201520202025no testing 2020–21
Science over time Atascadero High CA average
25%50%75%38%33%20222025

Racial and ethnic breakdown of 1,114 students (202324, NCES) — history since 1987, with comparable seven-category changes from 2010

Hispanic30%White61%
Hover the pie for details
categories changedHispanic 30%White 62%91%19872023
GroupTrend20102023Change
White71.1%61.4% 9.7 pts
Hispanic21.0%30.2% 9.2 pts
Two or more races0.9%3.9% 3.0 pts
Asian2.2%1.8% 0.4 pts
Black2.0%1.6% 0.4 pts
American Indian2.5%0.5% 2.0 pts

NCES history for this school begins in 1987. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.

Typical home value $788K in zip 93422 as of 2026-05 · trend since 2000

$202K$404K$606K$809K$770K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 93422 on Zillow →

Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Atascadero High

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What school district is Atascadero High in?

Atascadero High is part of the Atascadero Unified district in Atascadero, California.

Is Atascadero High a good school?

SchoolRow ranks Atascadero High 509th of 1,528 California high schools (better than 67% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Atascadero High?

White 61%, Hispanic 30%, Two or more races 4%, Asian 2% (1,114 students, 2023–24).

How much do homes near Atascadero High cost?

The typical home value in zip code 93422 is $788K 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.