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Email BoardAdelante Selby Spanish Immersion
170 Selby Lane, Atherton, CA 94027-3960
Summary
Adelante Selby Spanish Immersion is underperforming.
Reading and math results average to the 57th percentile among comparable California schools.
Only 49.6% of students met California's reading standard, but it is trending up.
Math is weaker: 41.0% of students met California's math standard, but it is slowly trending up.
Proficiency stats
| Current Reading Proficiency | 49.6% |
| Current Math Proficiency | 41.0% |
| Reading State Rank | 1,882/4,657 (60th percentile) |
| Math State Rank | 2,119/4,657 (55th percentile) |
School information
| Student / Teacher Ratio | 25:1 |
| Student enrollment (2024–25) | 582 |
| Low-Income Students | 350 (60.1%) |
| English Learners | 231 (39.7%) |
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 6.8 points over the full period. Math rose 0.9 points from last year and rose 4.9 points over the full period.
•Math +4.9 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 47.7% to 52.5% across the grades shown. Overall, the school’s reading results rank in the top 41% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 40.4-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
22.1% of English learners meet the reading standard, compared with 62.4% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 83% proficiency. The other reported groups range from about 35% to 35%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 22.5% to 52.8% across the grades shown. Overall, the school’s math results rank in the top 46% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 38.0-point math income gap is nearly twice as wide as the 20.0-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
19.5% of English learners meet the math standard, compared with 57.4% of English-only students. The gap widened as English-learner results rose 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 Adelante Selby Spanish Immersion compare within the district?
Adelante Selby Spanish Immersion is No. 3 in both reading and math proficiency among the 7 K–5 schools in Redwood City Elementary with 2026 results.
Explore the district’s schoolsHow does Adelante Selby Spanish Immersion rank in California?
Adelante Selby Spanish Immersion ranks No. 1,882 of 4,657 in reading and No. 2,119 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 Adelante Selby Spanish Immersion compare within the district?
Low-income students here rank No. 2 in reading and No. 4 in math among 7 K–5 district schools with reportable 2026 results for this group. 36.8% meet the reading standard and 29.1% meet the math standard.
See results by student groupHow does Adelante Selby Spanish Immersion compare with other schools in Atherton?
Adelante Selby Spanish Immersion is No. 3 in both reading and math proficiency among the 3 K–5 schools in Atherton with 2026 results.
Explore schools in AthertonHow does Adelante Selby Spanish Immersion compare with other schools in San Mateo County?
Adelante Selby Spanish Immersion is No. 43 in reading and No. 46 in math proficiency among the 70 K–5 schools in San Mateo County with 2026 results.
Explore schools in San Mateo CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Adelante Selby Spanish ImmersionThis school | 41.0% | 49.6% |
| Garfield Elementary | 20.3% | 15.6% |
| Henry Ford Elementary | 46.8% | 53.2% |
