West Side Union Elementary
Sonoma County school performance
West Side Union Elementary is an excellent district.
Reading and math results average to the 99th percentile among California school districts.
85.1% of students met California's reading standard, and it is quickly trending up.
86.5% of students met California's math standard, which is excellent statewide and is quickly trending up.
| Current Reading Proficiency | 85.1% |
| Current Math Proficiency | 86.5% |
| District Reading Rank | 13 / 977 (99th percentile) |
| District Math Rank | 7 / 977 (99th percentile) |
| Student / Teacher Ratio | 14:1 |
| Spend per Student | $17,294 |
| Schools in District | 1 |
| Student Enrollment | 130 |
| Low-Income Students | 47 (36.2%) |
| English Learners | 6 (4.6%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading rose 3.0 points from last year and rose 12.7 points over the full period. Math rose 6.2 points from last year and rose 22.7 points over the full period.
•Math +22.7 percentage pointsBoard Members
| name | elected | up for re-election |
|---|---|---|
Allison Fraser Kosta Board President | 2022 | 2026This year! |
Dan Grout Board Member | 2025 | 2029 |
Elvia Vega Board Member | 2022 | 2026This year! |
Emily Machi Board Member | 2024 | 2028 |
Sarra Brumand Board Member | 2025 | 2029 |
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 11.6 points in reading. It widened slightly 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
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students are 3.8 points ahead in math. It widened slightly over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current math gap cannot be calculated.
District School Map
Schools in this district, color-coded by reading proficiency.
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Schools
Understanding this district
How does West Side Union Elementary rank in California?
West Side Union Elementary ranks No. 13 of 977 in reading and No. 7 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
How do low-income students in West Side Union Elementary compare with other districts?
Low-income reading proficiency is 77.8%, compared with 37.6% at a typical California elementary district. In math, it is 88.9%, compared with 28.2%.
See student-group resultsWhich districts should I compare with West Side Union Elementary?
Elementary districts in Sonoma County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| West Side Union ElementaryThis district | 86.5% | 85.1% |
| Two Rock Union | 48.8% | 48.8% |
| Kenwood | 50.7% | 68.1% |
How we compare low-income results
“Typical” is the median across 444 California elementary 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.
