Is this your school? Email the board to prioritize reading!
Email BoardWillow Elementary
1427 South Willow, Glendora, CA 91740-5826
Summary
Willow Elementary is underperforming.
Reading and math results average to the 69th percentile among comparable California schools.
58.2% of students met California's reading standard, and it is trending up slightly.
Math is weaker: 49.2% of students met California's math standard, and it is trending down.
Proficiency stats
| Current Reading Proficiency | 58.2% |
| Current Math Proficiency | 49.2% |
| Reading State Rank | 1,292/4,657 (72nd percentile) |
| Math State Rank | 1,586/4,657 (66th percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 388 |
| Low-Income Students | 266 (70.4%) |
| English Learners | 29 (7.7%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 2.1 points from last year and rose 1.8 points over the full period. Math fell 3.7 points from last year and fell 5.6 points over the full period.
•Math -5.6 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 White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 47.9% to 75.6% across the grades shown. Overall, the school’s reading results rank in the top 28% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 18.1-point reading income gap is slightly wider than the 17.6-point gap at a typical California K–6 school. It narrowed 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
Asian students have the strongest math results at about 88% proficiency. The other reported groups range from about 40% to 59%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 40.0% to 77.5% across the grades shown. Overall, the school’s math results rank in the top 35% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 23.4-point math income gap is wider than the 17.5-point gap at a typical California K–6 school. It widened slightly over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current math gap cannot be calculated.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 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 Willow Elementary compare within the district?
Willow Elementary is No. 2 in both reading and math proficiency among the 5 K–6 schools in Charter Oak Unified with 2026 results.
Explore the district’s schoolsHow does Willow Elementary rank in California?
Willow Elementary ranks No. 1,292 of 4,657 in reading and No. 1,586 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 Willow Elementary compare within the district?
Low-income students here rank No. 2 in both subjects among 5 K–6 district schools with reportable 2026 results for this group. 52.8% meet the reading standard and 42.1% meet the math standard.
See results by student groupHow does Willow Elementary compare with other schools in Glendora?
Willow Elementary is No. 2 in both reading and math proficiency among the 2 K–6 schools in Glendora with 2026 results.
Explore schools in GlendoraHow does Willow Elementary compare with other schools in Los Angeles County?
Willow Elementary is No. 75 in reading and No. 96 in math proficiency among the 275 K–6 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Willow ElementaryThis school | 49.2% | 58.2% |
| Washington Elementary | 66.2% | 67.2% |
| Badillo Elementary | 36.9% | 45.1% |
