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Email BoardMarshall Elementary
20111 Marshall Street, Castro Valley, CA 94546-4656
Summary
Reading and math results average to the 79th percentile among comparable California schools.
60.3% of students met California's reading standard, but it is trending down.
65.0% of students met California's math standard but is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 60.3% |
| Current Math Proficiency | 65.0% |
| Reading State Rank | 1,178/4,657 (75th percentile) |
| Math State Rank | 789/4,657 (83rd percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 515 |
| Low-Income Students | 229 (44.5%) |
| English Learners | 109 (21.2%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 7.9 points from last year and fell 9.8 points over the full period. Math rose 0.4 points from last year and fell 3.1 points over the full period.
•Math -3.1 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and Asian students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 49.4% to 71.9% across the grades shown. Overall, the school’s reading results rank in the top 26% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 21.9-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
21.4% of English learners meet the reading standard, compared with 65.4% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 84% proficiency. The other reported groups range from about 49% to 64%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 53.3% to 71.6% across the grades shown. Overall, the school’s math results rank in the top 17% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 22.0-point math income gap is slightly wider than the 20.0-point gap at a typical California K–5 school. It widened over the period shown.
•
English Learners vs English Native
41.1% of English learners meet the math standard, compared with 63.2% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•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 Marshall Elementary compare within the district?
Marshall Elementary is No. 7 in reading and No. 6 in math proficiency among the 9 K–5 schools in Castro Valley Unified with 2026 results.
Explore the district’s schoolsHow does Marshall Elementary rank in California?
Marshall Elementary ranks No. 1,178 of 4,657 in reading and No. 789 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Marshall Elementary compare within the district?
Low-income students here rank No. 6 in reading and No. 5 in math among 9 K–5 district schools with reportable 2026 results for this group. 48.8% meet the reading standard and 53.5% meet the math standard.
See results by student groupHow does Marshall Elementary compare with other schools in Castro Valley?
Marshall Elementary is No. 7 in reading and No. 6 in math proficiency among the 9 K–5 schools in Castro Valley with 2026 results.
Explore schools in Castro ValleyHow does Marshall Elementary compare with other schools in Alameda County?
Marshall Elementary is No. 78 in reading and No. 65 in math proficiency among the 165 K–5 schools in Alameda County with 2026 results.
Explore schools in Alameda CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Marshall ElementaryThis school | 65.0% | 60.3% |
| Castro Valley Elementary | 50.7% | 65.6% |
| Chabot Elementary | 67.3% | 72.5% |
