Union Hill Elementary
11638 Colfax Highway, Grass Valley, CA 95945-8805
Summary
Union Hill Elementary is underperforming.
Reading and math results average to the 52nd percentile among comparable California schools.
Only 44.9% of students met California's reading standard, but it is holding steady.
Math is weaker: 39.8% of students met California's math standard, it is holding steady.
Proficiency stats
| Current Reading Proficiency | 44.9% |
| Current Math Proficiency | 39.8% |
| Reading State Rank | 2,253/4,657 (52nd percentile) |
| Math State Rank | 2,203/4,657 (53rd percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 542 |
| Low-Income Students | 277 (51.1%) |
| English Learners | 9 (1.7%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Lottery |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading rose 2.1 points from last year and fell 0.2 points over the full period. Math rose 2.3 points from last year and rose 0.3 points over the full period.
•Math +0.3 percentage points (2024–2026)
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 27.5% to 56.3% across the grades shown. Overall, the school’s reading results rank in the top 49% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 28.8-point reading income gap is wider than the 17.6-point gap at a typical California K–6 school. It widened 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
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 42% proficiency. The other reported groups range from about 27% to 40%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 20.0% to 65.6% across the grades shown. Overall, the school’s math results rank in the top 48% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 22.1-point math income gap is slightly wider than the 17.5-point gap at a typical California K–6 school. 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.
Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Union Hill Elementary rank in California?
Union Hill Elementary ranks No. 2,253 of 4,657 in reading and No. 2,203 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
