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Email BoardClayton Valley Charter High
1101 Alberta Way, Concord, CA 94521-3799
Summary
Clayton Valley Charter High is a good school.
Reading and math results average to the 87th percentile among comparable California schools.
77.3% of students met California's reading standard, and it is trending up slightly.
Math is weaker: 45.5% of students met California's math standard, but it is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 77.3% |
| Current Math Proficiency | 45.5% |
| Reading State Rank | 173/1,596 (89th percentile) |
| Math State Rank | 249/1,596 (84th percentile) |
School information
| Student / Teacher Ratio | 25:1 |
| Student enrollment (2024–25) | 2,373 |
| Low-Income Students | 530 (22.3%) |
| English Learners | 115 (4.8%) |
Quick links
School Website
Great Schools
Niche
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading rose 7.2 points from last year and rose 1.7 points over the full period. Math rose 8.2 points from last year and rose 2.9 points over the full period.
•Math +2.9 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Filipino and White students have the strongest results.
Distribution of Scores by Grade
77.3% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 11% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.1-point reading income gap is narrower than the 14.7-point gap at a typical California 9–12 school. It narrowed over the period shown.
•
English Learners vs English Native
Results for both language groups are unavailable, so a current reading gap cannot be calculated.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino students have the strongest math results at about 55% proficiency. The other reported groups range from about 28% to 54%.
Distribution of Scores by Grade
45.5% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 16% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 17.8-point math income gap is slightly wider than the 14.2-point gap at a typical California 9–12 school. It narrowed over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current math gap cannot be calculated.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Clayton Valley Charter High rank in California?
Clayton Valley Charter High ranks No. 173 of 1,596 in reading and No. 249 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Clayton Valley Charter High compare with other schools in Concord?
Clayton Valley Charter High is No. 1 in both reading and math proficiency among the 4 9–12 schools in Concord with 2026 results.
Explore schools in ConcordWhich schools should I compare?
Schools serving 9–12 in the same district or city.
| School | Math | Reading |
|---|---|---|
| Clayton Valley Charter HighThis school | 45.5% | 77.3% |
| Concord High | 16.6% | 40.1% |
| Mt. Diablo High | 12.3% | 29.9% |
