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Email BoardStone Bridge
1019 2nd Avenue, Napa, CA 94558-3938
Summary
Stone Bridge is underperforming.
Reading and math results average to the 47th percentile among comparable California schools.
Only 40.1% of students met California's reading standard, and it is trending down slightly.
Math is weaker: 29.9% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 40.1% |
| Current Math Proficiency | 29.9% |
| Reading State Rank | 976/1,734 (44th percentile) |
| Math State Rank | 875/1,735 (50th percentile) |
School information
| Student / Teacher Ratio | 28:1 |
| Student enrollment (2024–25) | 278 |
| Low-Income Students | 51 (18.3%) |
| English Learners | 4 (1.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Lottery |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading fell 2.2 points from last year and fell 2.0 points over the full period. Math rose 2.3 points from last year and fell 3.4 points over the full period.
•Math -3.4 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 23.3% to 56.0% across the grades shown. Overall, the school’s reading results rank No. 976 of 1,734 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 8.5-point reading income gap is narrower than the 16.5-point gap at a typical California K–8 school. 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
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 37% proficiency. The other reported groups range from about 11% to 18%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 13.3% to 56.0% across the grades shown. Overall, the school’s math results rank No. 875 of 1,735 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 3.3-point math income gap is narrower than the 15.5-point gap at a typical California K–8 school. It narrowed 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 802 schools for reading and 801 for math. The comparison uses 2026 California K–8 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 Stone Bridge compare within the district?
Stone Bridge is No. 2 in both reading and math proficiency among the 3 K–8 schools in Napa Valley Unified with 2026 results.
Explore the district’s schoolsHow does Stone Bridge rank in California?
Stone Bridge ranks No. 976 of 1,734 in reading and No. 875 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Stone Bridge compare within the district?
Low-income students here rank No. 2 in both subjects among 3 K–8 district schools with reportable 2026 results for this group. 33.3% meet the reading standard and 27.3% meet the math standard.
See results by student groupHow does Stone Bridge compare with other schools in Napa?
Stone Bridge is No. 2 in both reading and math proficiency among the 3 K–8 schools in Napa with 2026 results.
Explore schools in NapaHow does Stone Bridge compare with other schools in Napa County?
Stone Bridge is No. 3 in both reading and math proficiency among the 5 K–8 schools in Napa County with 2026 results.
Explore schools in Napa CountyWhich schools should I compare?
Schools serving K–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Stone BridgeThis school | 29.9% | 40.1% |
| Browns Valley Elementary | 52.2% | 52.9% |
| Shearer Elementary | 16.6% | 23.6% |
