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Email BoardStanley Mosk Elementary
7335 Lubao Avenue, Winnetka, CA 91306-3670
Summary
Stanley Mosk Elementary is underperforming.
Reading and math results average to the 60th percentile among comparable California schools.
Only 49.1% of students met California's reading standard, but it is quickly trending up.
Math is weaker: 45.6% of students met California's math standard, but it is quickly trending up.
Proficiency stats
| Current Reading Proficiency | 49.1% |
| Current Math Proficiency | 45.6% |
| Reading State Rank | 1,916/4,657 (59th percentile) |
| Math State Rank | 1,809/4,657 (61st percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 490 |
| Low-Income Students | 424 (88.3%) |
| English Learners | 135 (28.1%) |
| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | Yes |
Test score trends
Reading rose 7.6 points from last year and rose 12.3 points over the full period. Math rose 4.5 points from last year and rose 13.0 points over the full period.
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 37.7% to 58.5% across the grades shown. Overall, the school’s reading results rank in the top 42% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.0-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school. It narrowed over the period shown.
English Learners vs English Native
18.5% of English learners meet the reading standard, compared with 50.5% 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 77% proficiency. The other reported groups range from about 37% to 64%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 36.4% to 54.9% across the grades shown. Overall, the school’s math results rank in the top 39% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 30.9-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
14.8% of English learners meet the math standard, compared with 45.0% 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 Stanley Mosk Elementary compare within the district?
Stanley Mosk Elementary is No. 149 in reading and No. 170 in math proficiency among the 424 K–5 schools in Los Angeles Unified with 2026 results.
Explore the district’s schoolsHow does Stanley Mosk Elementary rank in California?
Stanley Mosk Elementary ranks No. 1,916 of 4,657 in reading and No. 1,809 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 Stanley Mosk Elementary compare within the district?
Low-income students here rank No. 131 in reading and No. 182 in math among 424 K–5 district schools with reportable 2026 results for this group. 47.5% meet the reading standard and 42.2% meet the math standard.
See results by student groupHow does Stanley Mosk Elementary compare with other schools in Winnetka?
Stanley Mosk Elementary is No. 1 in both reading and math proficiency among the 3 K–5 schools in Winnetka with 2026 results.
Explore schools in WinnetkaHow does Stanley Mosk Elementary compare with other schools in Los Angeles County?
Stanley Mosk Elementary is No. 344 in reading and No. 352 in math proficiency among the 780 K–5 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Stanley Mosk ElementaryThis school | 45.6% | 49.1% |
| Citizens of the World Charter School West Valley | 45.2% | 44.9% |
| Sunny Brae Avenue Elementary | 25.5% | 29.9% |
CAASPP