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Email BoardCharter Oak High
1430 East Covina Boulevard, Covina, CA 91724-1651
Summary
Charter Oak High is underperforming.
Reading and math results average to the 60th percentile among comparable California schools.
55.6% of students met California's reading standard, but it is trending down.
Math is weaker: 27.9% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 55.6% |
| Current Math Proficiency | 27.9% |
| Reading State Rank | 694/1,596 (57th percentile) |
| Math State Rank | 595/1,596 (63rd percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 1,259 |
| Low-Income Students | 878 (69.7%) |
| English Learners | 75 (6.0%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 5.0 points from last year and fell 6.4 points over the full period. Math rose 1.3 points from last year and rose 5.6 points over the full period.
•Math +5.6 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and White students have the strongest results.
Distribution of Scores by Grade
55.6% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 44% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 16.0-point reading income gap is slightly wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
0.0% of English learners meet the reading standard, compared with 58.6% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino students have the strongest math results at about 47% proficiency. The other reported groups range from about 21% to 39%.
Distribution of Scores by Grade
27.9% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 38% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 11.2-point math income gap is narrower than the 14.2-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
11.8% of English learners meet the math standard, compared with 29.6% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 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 Charter Oak High compare within the district?
Charter Oak High is No. 1 in both reading and math proficiency among the 2 9–12 schools in Charter Oak Unified with 2026 results.
Explore the district’s schoolsHow does Charter Oak High rank in California?
Charter Oak High ranks No. 694 of 1,596 in reading and No. 595 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Charter Oak High compare with other schools in Covina?
Charter Oak High is No. 2 in both reading and math proficiency among the 3 9–12 schools in Covina with 2026 results.
Explore schools in CovinaHow does Charter Oak High compare with other schools in Los Angeles County?
Charter Oak High is No. 177 in reading and No. 156 in math proficiency among the 334 9–12 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving 9–12 in the same district or city.
| School | Math | Reading |
|---|---|---|
| Charter Oak HighThis school | 27.9% | 55.6% |
| Arrow High (Continuation) | 10.5% | 5.3% |
| Covina High | 33.1% | 62.8% |
