SchoolRow
#977

Concord High

Concord, CA · Mt. Diablo Unified

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

977th of 1,528 California high schools statewide · better than 36% Declining

4200 Concord Blvd., Concord, CA 94521

(925) 687-2030Official website ↗NCES ID 062637003942Directory 202324

1,118
Students
2023–24 enrollment
18.3:1
Student / teacher ratio
70%
Free / reduced-price lunch
low-income indicator
22.8%
Chronically absent
CA average 20%

SchoolRow ranks Concord High 977th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 36% of high schools statewide. Its statewide percentile went from 60th in 2015 to 36th in 2025 — declining.

Statewide percentile by year
25%50%75%36%201520202025no testing 2020–21

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 285 students tested

English Language Arts
Concord High
43%
CA average
49%
Math
Concord High
17%
CA average
37%
Science
Concord High
17%
CA average
33%
English Language Arts over time Concord High CA average
25%50%75%43%49%201520202025no testing 2020–21
Math over time Concord High CA average
25%50%75%17%37%201520202025no testing 2020–21
Science over time Concord High CA average
25%50%75%17%33%20222025

Racial and ethnic breakdown of 1,118 students (202324, NCES) — history since 1987, with comparable seven-category changes from 2010

Hispanic56%White21%9%9%
Hover the pie for details
categories changedHispanic 57%White 21%Asian 9%Two or more races 9%8%82%9%19872023
GroupTrend20102023Change
Hispanic32.3%56.2% 23.9 pts
White50.1%20.6% 29.5 pts
Asian10.3%9.1% 1.2 pts
Two or more races2.4%9.0% 6.6 pts
Black3.7%3.6% 0.1 pts
Pacific Islander0.8%0.6% 0.2 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 $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 →

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

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What school district is Concord High in?

Concord High is part of the Mt. Diablo Unified district in Concord, California.

Is Concord High a good school?

SchoolRow ranks Concord High 977th of 1,528 California high schools (better than 36% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Concord High?

Hispanic 56%, White 21%, Asian 9%, Two or more races 9% (1,118 students, 2023–24).

How much do homes near Concord 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.