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Email BoardBrookside Elementary
116 Butterfield Road, San Anselmo, CA 94960-1562
Summary
Brookside Elementary is a good school.
Reading and math results average to the 92nd percentile among comparable California schools.
78.8% of students met California's reading standard, and it is trending up.
74.6% of students met California's math standard, which is strong statewide and is trending up.
Proficiency stats
| Current Reading Proficiency | 78.8% |
| Current Math Proficiency | 74.6% |
| Reading State Rank | 288/4,657 (94th percentile) |
| Math State Rank | 417/4,657 (91st percentile) |
School information
| Student / Teacher Ratio | 16:1 |
| Student enrollment (2024–25) | 278 |
| Low-Income Students | 30 (10.8%) |
| English Learners | 22 (7.9%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 6.4 points from last year and rose 4.4 points over the full period. Math rose 4.4 points from last year and rose 5.6 points over the full period.
•Math +5.6 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 77.5% to 80.8% across the grades shown. Overall, the school’s reading results rank in the top 7% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 40.8-point reading income gap is wider than the 19.8-point gap at a typical California K–5 school. It narrowed 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
Two or more races students have the strongest math results at about 85% proficiency. The other reported groups range from about 33% to 82%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 63.2% to 88.9% across the grades shown. Overall, the school’s math results rank in the top 9% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 32.3-point math income gap is wider than the 20.0-point gap at a typical California K–5 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 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 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 Brookside Elementary compare within the district?
Brookside Elementary is No. 4 in both reading and math proficiency among the 4 K–5 schools in Ross Valley Elementary with 2026 results.
Explore the district’s schoolsHow does Brookside Elementary rank in California?
Brookside Elementary ranks No. 288 of 4,657 in reading and No. 417 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Brookside Elementary compare with other schools in San Anselmo?
Brookside Elementary is No. 3 in both reading and math proficiency among the 3 K–5 schools in San Anselmo with 2026 results.
Explore schools in San AnselmoHow does Brookside Elementary compare with other schools in Marin County?
Brookside Elementary is No. 9 in both reading and math proficiency among the 27 K–5 schools in Marin County with 2026 results.
Explore schools in Marin CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Brookside ElementaryThis school | 74.6% | 78.8% |
| Hidden Valley Elementary | 81.3% | 82.8% |
| Wade Thomas Elementary | 82.0% | 83.5% |
