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Email BoardMark West Union Elementary
Sonoma County school performance
Mark West Union Elementary is underperforming.
Reading and math results average to the 68th percentile among California school districts.
50.8% of students met California's reading standard, but it is trending down slightly.
Math is weaker: 42.6% of students met California's math standard, and it is trending down slightly.
| Current Reading Proficiency | 50.8% |
| Current Math Proficiency | 42.6% |
| District Reading Rank | 352 / 977 (64th percentile) |
| District Math Rank | 282 / 977 (71st percentile) |
| Student / Teacher Ratio | 20:1 |
| Spend per Student | $20,056 |
| Schools in District | 4 |
| Student Enrollment | 1,361 |
| Low-Income Students | 238 (55.9%) |
| English Learners | 49 (11.5%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading fell 2.8 points from last year and fell 0.7 points over the full period. Math fell 0.3 points from last year and fell 1.5 points over the full period.
•Math -1.5 percentage pointsBoard Members
| name | elected | up for re-election |
|---|---|---|
Brian Burke Board President [email protected] | N/A | N/A |
Victor McKnight Board Clerk [email protected] | N/A | N/A |
Aaron Smith Trustee [email protected] | N/A | N/A |
Sara Azat Trustee [email protected] | N/A | N/A |
Tracy Lavin Kendall Trustee [email protected] | N/A | N/A |
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 25.0 points in reading. It widened over the period shown.
•
English Learners vs English Native
8.3% of English learners meet the reading standard, compared with 53.9% of English-only students. The gap narrowed as English-learner results rose 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 23.1 points in math. It widened over the period shown.
•English Learners vs English Native
6.3% of English learners meet the math standard, compared with 45.1% of English-only students. The gap narrowed as English-learner results held steady and English-only results fell.
District School Map
Schools in this district, color-coded by reading proficiency.
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Schools
Understanding this district
How does Mark West Union Elementary rank in California?
Mark West Union Elementary ranks No. 352 of 977 in reading and No. 282 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
How much do results vary between Mark West Union Elementary’s schools?
Among the 3 schools serving K–6, proficiency ranges from 41.9% to 59.7% in reading and 35.4% to 50.5% in math.
See the district’s schoolsAre results improving across Mark West Union Elementary’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 Mark West Union Elementary compare with other districts?
Low-income reading proficiency is 37.7%, compared with 37.6% at a typical California elementary district. In math, it is 30.6%, compared with 28.2%.
See student-group resultsWhich districts should I compare with Mark West Union Elementary?
Elementary districts in Sonoma County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Mark West Union ElementaryThis district | 42.6% | 50.8% |
| Oak Grove Union Elementary | 42.9% | 54.8% |
| Piner-Olivet Union Elementary | 20.3% | 30.7% |
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.
