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Email BoardLeonard G. Westhoff Elementary
20151 Amar Road, Walnut, CA 91789-1245
Summary
Leonard G. Westhoff Elementary is an excellent school.
Reading and math results average to the 96th percentile among comparable California schools.
81.0% of students met California's reading standard, and it is trending up.
81.4% of students met California's math standard, which is excellent statewide and is trending up.
Proficiency stats
| Current Reading Proficiency | 81.0% |
| Current Math Proficiency | 81.4% |
| Reading State Rank | 198/4,657 (96th percentile) |
| Math State Rank | 189/4,657 (96th percentile) |
School information
| Student / Teacher Ratio | 27:1 |
| Student enrollment (2024–25) | 654 |
| Low-Income Students | 136 (20.8%) |
| English Learners | 128 (19.6%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 2.8 points from last year and rose 4.7 points over the full period. Math rose 1.4 points from last year and rose 5.3 points over the full period.
•Math +5.3 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Asian and Filipino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 75.7% to 86.5% across the grades shown. Overall, the school’s reading results rank in the top 5% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 4.4-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
48.6% of English learners meet the reading standard, compared with 77.4% 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
Asian students have the strongest math results at about 90% proficiency. The other reported groups range from about 49% to 69%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 79.0% to 82.7% across the grades shown. Overall, the school’s math results rank in the top 5% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Low-income students are 1.2 points ahead in math. It narrowed over the period shown.
•English Learners vs English Native
60.5% of English learners meet the math standard, compared with 74.0% of English-only students. The gap narrowed 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 Leonard G. Westhoff Elementary compare within the district?
Leonard G. Westhoff Elementary is No. 2 in reading and No. 1 in math proficiency among the 9 K–5 schools in Walnut Valley Unified with 2026 results.
Explore the district’s schoolsHow does Leonard G. Westhoff Elementary rank in California?
Leonard G. Westhoff Elementary ranks No. 198 of 4,657 in reading and No. 189 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 Leonard G. Westhoff Elementary compare within the district?
Low-income students here rank No. 2 in both subjects among 9 K–5 district schools with reportable 2026 results for this group. 77.6% meet the reading standard and 82.3% meet the math standard.
See results by student groupHow does Leonard G. Westhoff Elementary compare with other schools in Walnut?
Leonard G. Westhoff Elementary is No. 1 in both reading and math proficiency among the 4 K–5 schools in Walnut with 2026 results.
Explore schools in WalnutHow does Leonard G. Westhoff Elementary compare with other schools in Los Angeles County?
Leonard G. Westhoff Elementary is No. 38 in reading and No. 34 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 |
|---|---|---|
| Leonard G. Westhoff ElementaryThis school | 81.4% | 81.0% |
| Cyrus J. Morris Elementary | 68.7% | 67.1% |
| Vejar Elementary | 59.0% | 57.5% |
