Is this your district? Email the board to prioritize reading!
Email BoardJefferson Elementary
San Mateo County school performance
Jefferson Elementary is underperforming.
Reading and math results average to the 60th percentile among California school districts.
Only 47.1% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 39.9% of students met California's math standard, but it is trending up.
| Current Reading Proficiency | 47.1% |
| Current Math Proficiency | 39.9% |
| District Reading Rank | 442 / 977 (55th percentile) |
| District Math Rank | 333 / 977 (66th percentile) |
| Student / Teacher Ratio | 20:1 |
| Spend per Student | $19,315 |
| Schools in District | 15 |
| Student Enrollment | 6,078 |
| Low-Income Students | 2,420 (48.9%) |
| English Learners | 1,748 (35.3%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading rose 0.9 points from last year and rose 2.8 points over the full period. Math rose 1.8 points from last year and rose 6.2 points over the full period.
•Math +6.2 percentage pointsBoard Members
| name | elected | up for re-election |
|---|---|---|
Anthony Tsujisaka President [email protected] | 2022 | 2026This year! |
Aaron Rashba Vice President [email protected] | 2022 | 2026This year! |
Eileen R. Policarpio Clerk [email protected] | N/A | N/A |
Andrea Jordan Board Member [email protected] | 2024 | 2028 |
Shakeel Ali Board Member [email protected] | 2022 | 2026This year! |
Expand for details on low-income and english learner performance
Reading Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 15.4 points in reading. It narrowed slightly over the period shown.
•English Learners vs English Native
8.1% of English learners meet the reading standard, compared with 57.4% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 13.7 points in math. It widened slightly over the period shown.
•English Learners vs English Native
10.7% of English learners meet the math standard, compared with 47.9% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•District School Map
Schools in this district, color-coded by reading proficiency.
Loading district map...
Hover over a school marker to see details
Schools
Understanding this district
How does Jefferson Elementary rank in California?
Jefferson Elementary ranks No. 442 of 977 in reading and No. 333 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
How much do results vary between Jefferson Elementary’s schools?
Among the 10 schools serving K–5, proficiency ranges from 32.3% to 68.8% in reading and 28.1% to 64.7% in math.
See the district’s schoolsAre results improving across Jefferson Elementary’s schools?
Over 2024–2026, reading proficiency rose at 6 of 14 schools with results covering that full period; math rose at 8 of 14.
Compare school trendsHow do low-income students in Jefferson Elementary compare with other districts?
Low-income reading proficiency is 39.2%, compared with 37.6% at a typical California elementary district. In math, it is 32.8%, compared with 28.2%.
See student-group resultsWhich districts should I compare with Jefferson Elementary?
Elementary districts in San Mateo County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Jefferson ElementaryThis district | 39.9% | 47.1% |
| Redwood City Elementary | 43.3% | 50.6% |
| Belmont-Redwood Shores Elementary | 79.0% | 81.0% |
How we compare low-income results
“Typical” is the median across 444 California elementary districts with 2026 results, a reported low-income population, and at least 20 low-income tested students in each subject. Each district counts once. This compares proficiency for low-income students, rather than the gap between income groups.
