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Email BoardGladstone Elementary
1314 West Gladstone, San Dimas, CA 91773-1437
Summary
Reading and math results average to the 81st percentile among comparable California schools.
62.7% of students met California's reading standard, and it is holding steady.
67.1% of students met California's math standard and is slowly trending up.
Proficiency stats
| Current Reading Proficiency | 62.7% |
| Current Math Proficiency | 67.1% |
| Reading State Rank | 1,051/4,657 (77th percentile) |
| Math State Rank | 700/4,657 (85th percentile) |
School information
| Student / Teacher Ratio | 18:1 |
| Student enrollment (2024–25) | 518 |
| Low-Income Students | 191 (37.4%) |
| English Learners | 30 (5.9%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 4.7 points from last year and rose 0.2 points over the full period. Math rose 1.4 points from last year and rose 3.8 points over the full period.
•Math +3.8 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 Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 55.4% to 74.1% across the grades shown. Overall, the school’s reading results rank in the top 23% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 12.3-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school. It widened slightly over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current reading gap cannot be calculated.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races students have the strongest math results at about 82% proficiency. The other reported groups range from about 60% to 78%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 62.7% to 71.6% across the grades shown. Overall, the school’s math results rank in the top 16% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 13.7-point math income gap is narrower than the 20.0-point gap at a typical California K–5 school. It widened slightly over the period shown.
•English Learners vs English Native
36.4% of English learners meet the math standard, compared with 66.0% 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 Gladstone Elementary compare within the district?
Gladstone Elementary is No. 7 in reading and No. 5 in math proficiency among the 8 K–5 schools in Bonita Unified with 2026 results.
Explore the district’s schoolsHow does Gladstone Elementary rank in California?
Gladstone Elementary ranks No. 1,051 of 4,657 in reading and No. 700 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 Gladstone Elementary compare within the district?
Low-income students here rank No. 6 in both subjects among 8 K–5 district schools with reportable 2026 results for this group. 55.3% meet the reading standard and 59.0% meet the math standard.
See results by student groupHow does Gladstone Elementary compare with other schools in San Dimas?
Gladstone Elementary is No. 3 in reading and No. 2 in math proficiency among the 4 K–5 schools in San Dimas with 2026 results.
Explore schools in San DimasHow does Gladstone Elementary compare with other schools in Los Angeles County?
Gladstone Elementary is No. 184 in reading and No. 133 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 |
|---|---|---|
| Gladstone ElementaryThis school | 67.1% | 62.7% |
| Allen Avenue Elementary | 61.5% | 63.4% |
| Arma J. Shull Elementary | 74.8% | 76.6% |
