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Email BoardLucas Valley Elementary
1175 Idylberry Drive, San Rafael, CA 94903-1131
Summary
Lucas Valley Elementary is a good school.
Reading and math results average to the 90th percentile among comparable California schools.
75.8% of students met California's reading standard, and it is trending up.
71.6% of students met California's math standard, which is strong statewide, it is holding steady.
Proficiency stats
| Current Reading Proficiency | 75.8% |
| Current Math Proficiency | 71.6% |
| Reading State Rank | 422/4,657 (91st percentile) |
| Math State Rank | 524/4,657 (89th percentile) |
School information
| Student / Teacher Ratio | 23:1 |
| Student enrollment (2024–25) | 315 |
| Low-Income Students | 30 (9.5%) |
| English Learners | 19 (6.0%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 2.8 points from last year and rose 8.0 points over the full period. Math rose 3.5 points from last year and fell 0.3 points over the full period.
•Math -0.3 percentage points (2024–2026)
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Two or more races and White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 63.1% to 84.4% across the grades shown. Overall, the school’s reading results rank in the top 10% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 23.0-point reading income gap is slightly wider than the 19.8-point gap at a typical California K–5 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
Two or more races students have the strongest math results at about 71% proficiency. The other reported groups range from about 70% to 70%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 61.4% to 87.0% across the grades shown. Overall, the school’s math results rank in the top 12% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 8.6-point math income gap is narrower 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 Lucas Valley Elementary compare within the district?
Lucas Valley Elementary is No. 1 in both reading and math proficiency among the 3 K–5 schools in Miller Creek Elementary with 2026 results.
Explore the district’s schoolsHow does Lucas Valley Elementary rank in California?
Lucas Valley Elementary ranks No. 422 of 4,657 in reading and No. 524 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Lucas Valley Elementary compare with other schools in San Rafael?
Lucas Valley Elementary is No. 2 in both reading and math proficiency among the 9 K–5 schools in San Rafael with 2026 results.
Explore schools in San RafaelHow does Lucas Valley Elementary compare with other schools in Marin County?
Lucas Valley Elementary is No. 11 in reading and No. 12 in 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 |
|---|---|---|
| Lucas Valley ElementaryThis school | 71.6% | 75.8% |
| Mary E. Silveira Elementary | 53.6% | 55.8% |
| Vallecito Elementary | 61.9% | 65.6% |
