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Email BoardTwin Hills Union Elementary
Sonoma County school performance
Reading and math results average to the 82nd percentile among California school districts.
61.9% of students met California's reading standard, and it is trending up slightly.
51.4% of students met California's math standard, but it is slowly trending up.
| Current Reading Proficiency | 61.9% |
| Current Math Proficiency | 51.4% |
| District Reading Rank | 172 / 977 (83rd percentile) |
| District Math Rank | 185 / 977 (81st percentile) |
| Student / Teacher Ratio | 18:1 |
| Spend per Student | $21,574 |
| Schools in District | 4 |
| Student Enrollment | 992 |
| Low-Income Students | 82 (26.7%) |
| English Learners | 10 (3.3%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading rose 1.2 points from last year and rose 0.9 points over the full period. Math rose 2.7 points from last year and rose 4.9 points over the full period.
•Math +4.9 percentage pointsBoard Members
| name | elected | up for re-election |
|---|---|---|
Dr. Jeff Harding President [email protected] | N/A | 2026This year! |
John Moise Clerk [email protected] | N/A | 2026This year! |
Michael Ost Board Member [email protected] | N/A | 2028 |
Rebecca Houghton Board Member [email protected] | N/A | 2026This year! |
Terry Beck Board Member [email protected] | N/A | 2028 |
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 17.0 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 trail other students by 16.8 points in math. It widened 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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Hover over a school marker to see details
Schools
-1.9%Understanding this district
How does Twin Hills Union Elementary rank in California?
Twin Hills Union Elementary ranks No. 172 of 977 in reading and No. 185 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
Are results improving across Twin Hills Union Elementary’s schools?
Over 2024–2026, reading proficiency rose at 2 of 4 schools with results covering that full period; math rose at 4 of 4.
Compare school trendsHow do low-income students in Twin Hills Union Elementary compare with other districts?
Low-income reading proficiency is 50.0%, compared with 37.6% at a typical California elementary district. In math, it is 39.6%, compared with 28.2%.
See student-group resultsWhich districts should I compare with Twin Hills Union Elementary?
Elementary districts in Sonoma County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Twin Hills Union ElementaryThis district | 51.4% | 61.9% |
| Bennett Valley Union Elementary | 52.5% | 61.2% |
| Wright Elementary | 34.6% | 44.4% |
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.
