Monte Rio Union Elementary
Sonoma County school performance
Monte Rio Union Elementary is underperforming.
Reading and math results average to the 54th percentile among California school districts.
52.5% of students met California's reading standard, but it is quickly trending down.
Math is weaker: 27.5% of students met California's math standard, it is holding steady.
| Current Reading Proficiency | 52.5% |
| Current Math Proficiency | 27.5% |
| District Reading Rank | 325 / 977 (67th percentile) |
| District Math Rank | 583 / 977 (40th percentile) |
| Student / Teacher Ratio | 14:1 |
| Spend per Student | $34,812 |
| Schools in District | 1 |
| Student Enrollment | 68 |
| Low-Income Students | 50 (74.6%) |
| English Learners | 6 (9.0%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading fell 12.6 points from last year and fell 15.0 points over the full period. Math rose 4.2 points from last year and was unchanged over the full period.
•Math 0.0 percentage pointsBoard Members
No board member data available for this district.
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 27.9 points in reading.
•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 49.9 points in math.
•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 Monte Rio Union Elementary rank in California?
Monte Rio Union Elementary ranks No. 325 of 977 in reading and No. 583 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
How do low-income students in Monte Rio Union Elementary compare with other districts?
Low-income reading proficiency is 44.8%, compared with 37.6% at a typical California elementary district. In math, it is 13.8%, compared with 28.2%.
See student-group resultsWhich districts should I compare with Monte Rio Union Elementary?
Elementary districts in Sonoma County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Monte Rio Union ElementaryThis district | 27.5% | 52.5% |
| Horicon Elementary | 22.7% | 38.6% |
| Alexander Valley Union Elementary | 65.0% | 76.7% |
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.
