SchoolRow
#340

Clayton Valley Charter High

Concord, CA · Contra Costa County Office of Education · Charter · Grades 9-12

340th of 1,528 California high schools statewide · better than 78% Declining

22%
Free / reduced-price lunch
low-income indicator
2.4%
Chronically absent
CA average 20%

Clayton Valley Charter High ranking

SchoolRow ranks Clayton Valley Charter High 340th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 78% of high schools statewide. Its statewide percentile went from 83th in 2015 to 78th in 2025 — declining.

Statewide percentile by year
25%50%75%78%201520202025no testing 2020–21

Clayton Valley Charter High test scores

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 542 students tested

English Language Arts
This school
70%
CA average
49%
Math
This school
37%
CA average
37%
Science
This school
37%
CA average
33%
English Language Arts over time this school CA average
25%50%75%70%49%201520202025no testing 2020–21
Math over time this school CA average
25%50%75%37%37%201520202025no testing 2020–21

Homes near Clayton Valley Charter High

Typical home value $796K in zip 94521 as of 2026-05 · trend since 2000

$234K$468K$701K$935K$803K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 94521 on Zillow →

High schools near Clayton Valley Charter High

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

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Frequently asked questions

What school district is Clayton Valley Charter High in?

Clayton Valley Charter High is part of the Contra Costa County Office of Education district in Concord, California.

Is Clayton Valley Charter High a good school?

SchoolRow ranks Clayton Valley Charter High 340th of 1,528 California high schools (better than 78% statewide) based on 2024–25 test results (CAASPP 2024–25).

How much do homes near Clayton Valley Charter High cost?

The typical home value in zip code 94521 is $796K 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.