Schools in 94521 — Concord, California: 94521 schools average near the state. The 42.6-point spread is where the choice actually lives.

94521 has 9 ranked schools in Concord, averaging a Scope Score of 40.2/100 — within 1.9 points of the state average of 42.2 (a state average weighted to 94521's own mix of school levels; CDE CAASPP 2025). Scores range from 23.1 to 65.7, a 42.6-point spread.

How 94521 schools perform

The top-ranked school is Clayton Valley Charter High with a Scope Score of 66 and 24.6% of students exceeding standard.

Cohort growth among 94521's elementary schools — the returning cohort, 2023 G3 → 2025 G5 — averages +73 scale-score points across 3 schools in 94521 with a large enough tested cohort. Scale scores rise with grade for nearly every school, so this describes the cohort's trajectory, not a ranking against other zip codes — worth examining school by school.

Chronic absenteeism across 94521 averages 17.1%, below the state average of 19.1%, weighted to 94521's own level mix. CDE CAASPP 2025.

How 94521 compares to nearby zip codes

Zip	City	Miles	Schools	Avg Score	vs 94521
94521	Concord	—	9	40.2/100	—
94519	Concord	2.7	3	30.3/100	-9.9
94518	Concord	2.9	5	26.0/100	-14.2
94520	Concord	3.5	4	23.5/100	-16.8
94598	Walnut Creek	4.1	7	59.4/100	+19.2
94565	Pittsburg	4.8	17	25.5/100	-14.7

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 94521

1 Strong All-Around1 Culture First1 On the Rise6 Building Momentum

Hidden gems: 1 school in 94521 is classified as On the Rise — showing positive growth trajectories that raw proficiency scores alone don't capture. These are schools where students leave with more than they arrived with.

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

For the data nerds

All schools in 94521

ranked by Scope Score · 2024–25 CAASPP

Figures

Score range23.1 – 65.7

42.6 pts SchoolScope composite

Chronic absenteeismstate avg 19.1% (level-matched)

17.1% CDE Attendance 2025

Elementary Schools (5)

avg 36.4/1005 ranked elementary schools3 Solid, 2 Developing

#	School	Exceeded	Score
1	Highlands Elementary Mt. Diablo Unified Culture First	22.3%	66th percentile · SolidScope Score 43/100
2	Silverwood Elementary Mt. Diablo Unified Building Momentum	22.4%	65th percentile · SolidScope Score 43/100
3	Ayers Elementary Mt. Diablo Unified Building Momentum	21.9%	54th percentile · SolidScope Score 37/100
4	Westwood Elementary Mt. Diablo Unified Building Momentum	17.1%	40th percentile · DevelopingScope Score 32/100
5	Mountain View Elementary Mt. Diablo Unified Building Momentum	10.7%	27th percentile · DevelopingScope Score 27/100

Middle Schools (2)

avg 30.8/1002 ranked middle schools1 Solid, 1 Needs Support

#	School	Exceeded	Score
1	Pine Hollow Middle Mt. Diablo Unified On the Rise	16.6%	55th percentile · SolidScope Score 39/100
2	El Dorado Middle Mt. Diablo Unified Building Momentum	6.2%	19th percentile · Needs SupportScope Score 23/100

High Schools (2)

avg 59.1/1002 ranked high schools1 Strong, 1 Developing

#	School	Exceeded	Score
1	Clayton Valley Charter High Contra Costa County Office of Education Strong All-Around	24.6%	82nd percentile · StrongScope Score 66/100
2	Concord High Mt. Diablo Unified Building Momentum	10.3%	50th percentile · DevelopingScope Score 53/100

Source: CDE CAASPP 2025 · 9 schools in 94521Methodology · Explore all schools

Schools in 94521 on the map

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Data source: California Department of Education · CAASPP 2024-25 · Methodology

Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.

What Scope Scores can't tell you about 94521

Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology

Frequently asked questions

Are the schools in 94521 (Concord) good?

94521 has 9 ranked schools in Concord, averaging a Scope Score of 40.2/100 — within 1.9 points of the state average, a benchmark weighted to 94521's own mix of school levels. 16.9% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.

What is the best school in 94521?

The highest-scoring school in zip code 94521 is Clayton Valley Charter High with a Scope Score of 66/100 and 24.6% of students exceeding the state standard. See full methodology.

How do 94521 schools compare to the state average?

Schools in zip code 94521 average a Scope Score of 40.2/100 — within 1.9 points of the state average of 42.2, a state average weighted to zip code 94521's own mix of school levels. The exceeded rate averages 16.9% vs. 20.1% statewide (also level-weighted).

How many schools are in zip code 94521?

Zip code 94521 has 9 ranked schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.

What does the Scope Score measure?

The Scope Score is SchoolScope's composite rating (0–100), built from publicly available California school data across academic-performance and school-climate signals. Full methodology and weights.

All California Schools Contra Costa County Office of Education Mt. Diablo Unified Concord Schools Zip 94519 Zip 94518 Zip 94520 Zip 94598 Zip 94565

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