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Email BoardJefferson Elementary
14300 Bancroft Avenue, San Leandro, CA 94578-1727
Summary
Jefferson Elementary is badly underperforming.
Reading and math results average to the 27th percentile among comparable California schools.
Only 32.2% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 26.2% of students met California's math standard, but it is slowly trending up.
Proficiency stats
| Current Reading Proficiency | 32.2% |
| Current Math Proficiency | 26.2% |
| Reading State Rank | 3,425/4,657 (26th percentile) |
| Math State Rank | 3,387/4,657 (27th percentile) |
School information
| Student / Teacher Ratio | 18:1 |
| Student enrollment (2024–25) | 551 |
| Low-Income Students | 473 (85.8%) |
| English Learners | 242 (43.9%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 0.9 points from last year and rose 3.0 points over the full period. Math rose 1.5 points from last year and rose 3.8 points over the full period.
•Math +3.8 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 30.6% to 34.1% across the grades shown. Overall, the school’s reading results rank No. 3,425 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 47.9-point reading income gap is 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
13.7% of English learners meet the reading standard, compared with 34.8% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 58% proficiency. The other reported groups range from about 17% to 55%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 20.8% to 30.2% across the grades shown. Overall, the school’s math results rank No. 3,387 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 28.4-point math income gap is 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
9.2% of English learners meet the math standard, compared with 32.5% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•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 Jefferson Elementary compare within the district?
Jefferson Elementary is No. 6 in both reading and math proficiency among the 8 K–5 schools in San Leandro Unified with 2026 results.
Explore the district’s schoolsHow does Jefferson Elementary rank in California?
Jefferson Elementary ranks No. 3,425 of 4,657 in reading and No. 3,387 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 Jefferson Elementary compare within the district?
Low-income students here rank No. 6 in reading and No. 5 in math among 8 K–5 district schools with reportable 2026 results for this group. 28.3% meet the reading standard and 24.0% meet the math standard.
See results by student groupHow does Jefferson Elementary compare with other schools in San Leandro?
Jefferson Elementary is No. 7 in reading and No. 8 in math proficiency among the 11 K–5 schools in San Leandro with 2026 results.
Explore schools in San LeandroHow does Jefferson Elementary compare with other schools in Alameda County?
Jefferson Elementary is No. 119 in reading and No. 126 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 |
|---|---|---|
| Jefferson ElementaryThis school | 26.2% | 32.2% |
| Garfield Elementary | 13.0% | 17.6% |
| Halkin Elementary | 23.8% | 28.3% |
