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Email BoardQuail Summit Elementary
23330 East Quail Summit Drive, Diamond Bar, CA 91765-3031
Summary
Quail Summit Elementary is a good school.
Reading and math results average to the 93rd percentile among comparable California schools.
74.8% of students met California's reading standard, but it is trending down.
80.7% of students met California's math standard, which is excellent statewide but is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 74.8% |
| Current Math Proficiency | 80.7% |
| Reading State Rank | 466/4,657 (90th percentile) |
| Math State Rank | 218/4,657 (95th percentile) |
School information
| Student / Teacher Ratio | 25:1 |
| Student enrollment (2024–25) | 696 |
| Low-Income Students | 174 (25.0%) |
| English Learners | 149 (21.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 1.9 points from last year and fell 6.5 points over the full period. Math fell 1.2 points from last year and fell 2.0 points over the full period.
•Math -2.0 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Two or more races and Filipino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 69.4% to 82.2% across the grades shown. Overall, the school’s reading results rank in the top 11% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 10.9-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
28.3% of English learners meet the reading standard, compared with 76.3% of English-only students. The gap widened 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 85% proficiency. The other reported groups range from about 65% to 82%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 76.4% to 84.2% 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
The 7.6-point math income gap is narrower than the 20.0-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
52.2% of English learners meet the math standard, compared with 78.6% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•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 Quail Summit Elementary compare within the district?
Quail Summit Elementary is No. 3 in reading and No. 2 in math proficiency among the 9 K–5 schools in Walnut Valley Unified with 2026 results.
Explore the district’s schoolsHow does Quail Summit Elementary rank in California?
Quail Summit Elementary ranks No. 466 of 4,657 in reading and No. 218 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 Quail Summit Elementary compare within the district?
Low-income students here rank No. 3 in both subjects among 9 K–5 district schools with reportable 2026 results for this group. 67.3% meet the reading standard and 75.4% meet the math standard.
See results by student groupHow does Quail Summit Elementary compare with other schools in Diamond Bar?
Quail Summit Elementary is No. 2 in reading and No. 1 in math proficiency among the 4 K–5 schools in Diamond Bar with 2026 results.
Explore schools in Diamond BarHow does Quail Summit Elementary compare with other schools in Los Angeles County?
Quail Summit Elementary is No. 87 in reading and No. 40 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 |
|---|---|---|
| Quail Summit ElementaryThis school | 80.7% | 74.8% |
| Castle Rock Elementary | 67.8% | 66.0% |
| Evergreen Elementary | 68.0% | 69.0% |
