Acalanes Union High
Contra Costa County school performance
Acalanes Union High is an excellent district.
Reading and math results average to the 95th percentile among California school districts.
82.1% of students met California's reading standard, and it is holding steady.
65.6% of students met California's math standard, but it is trending up slightly.
| Current Reading Proficiency | 82.1% |
| Current Math Proficiency | 65.6% |
| District Reading Rank | 24 / 977 (98th percentile) |
| District Math Rank | 81 / 977 (92nd percentile) |
| Student / Teacher Ratio | 19:1 |
| Spend per Student | $19,266 |
| Schools in District | 5 |
| Student Enrollment | 5,401 |
| Low-Income Students | 478 (8.8%) |
| English Learners | 175 (3.2%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading rose 1.1 points from last year and fell 0.3 points over the full period. Math rose 0.2 points from last year and rose 2.4 points over the full period.
•Math +2.4 percentage pointsBoard Members
| name | elected | up for re-election |
|---|---|---|
Wendy Reicher Board President | 2023 | 2028 |
Nancy Kendzierski Board Clerk | 2013 | 2026This year! |
Jennifer Chen Board Member | 2022 | 2026This year! |
Paul Chopra Board Member | 2024 | 2028 |
Stacey Schweppe Board Member | 2025 | 2026This year! |
Expand for details on low-income and english learner performance
Reading Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 21.0 points in reading. It widened over the period shown.
•English Learners vs English Native
7.5% of English learners meet the reading standard, compared with 84.6% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 24.7 points in math. It widened over the period shown.
•English Learners vs English Native
10.0% of English learners meet the math standard, compared with 66.7% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•District School Map
Schools in this district, color-coded by reading proficiency.
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Schools
Understanding this district
How does Acalanes Union High rank in California?
Acalanes Union High ranks No. 24 of 977 in reading and No. 81 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
How much do results vary between Acalanes Union High’s schools?
Among the 4 schools serving 9–12, proficiency ranges from 67.0% to 94.0% in reading and 50.8% to 76.7% in math.
See the district’s schoolsAre results improving across Acalanes Union High’s schools?
Over 2024–2026, reading proficiency rose at 2 of 4 schools with results covering that full period; math rose at 2 of 4.
Compare school trendsHow do low-income students in Acalanes Union High compare with other districts?
Low-income reading proficiency is 63.0%, compared with 45.3% at a typical California high district. In math, it is 43.2%, compared with 19.5%.
See student-group resultsWhich districts should I compare with Acalanes Union High?
High districts in Contra Costa County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Acalanes Union HighThis district | 65.6% | 82.1% |
| Liberty Union High | 28.7% | 58.0% |
How we compare low-income results
“Typical” is the median across 74 California high districts with 2026 results, a reported low-income population, and at least 20 low-income tested students in each subject. Each district counts once. This compares proficiency for low-income students, rather than the gap between income groups.
