Charter Oak High vs San Dimas High
A head-to-head comparison of two high schools in California, United States, 3.3 km apart, using official American 2025 data. The better value in each row is highlighted.
Charter Oak High
Covina · Public high · Grades 9–12
1,259 students
San Dimas High
San Dimas · Public high · Grades 9–12
1,235 students
| Measure | Charter Oak High Covina, California | San Dimas High San Dimas, California |
|---|---|---|
| Success Index (US) | 41 Lower 50% | 57 Top 50% |
| State rank | #560 of 1,343 | #288 of 1,343 |
| National rank | #10738 of 16,910 | #6642 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 1,259 | 1,235 |
| Enrollment | 1,259 | 1,235 |
| Free/reduced-price lunch | 69.5% | 37.6% |
| Students per teacher | 22.1 | 21.7 |
| Reading proficiency | 62% | 74% |
| Math proficiency | 36% | 37% |
| city | Covina | San Dimas |
| state | California | California |
| Website | – | – |
The verdict
- •San Dimas High scores higher on the Success Index (US) (56.7 vs 40.9).
- •San Dimas High does better on math proficiency (37% vs 36%).
- •San Dimas High does better on reading proficiency (74% vs 62%).
- •San Dimas High does better on community advantage (fewer free/reduced-price lunch) (37.6% vs 69.5%).
- •San Dimas High does better on students per teacher (21.7 vs 22.1).
- •Charter Oak High is the larger school with 1,259 students compared with 1,235.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Charter Oak High better than San Dimas High?
On the Success Index (US), San Dimas High ranks higher (56.7 vs 40.9 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Charter Oak High and San Dimas High?
About 3.3 km in a straight line, between Covina and San Dimas in California.
Which has the better Enrollment?
Charter Oak High: 1,259. San Dimas High: 1,235. Students enrolled in the latest NCES directory year.
How do Charter Oak High and San Dimas High rank in California?
Charter Oak High is 560th of 1,343 and San Dimas High is 288th of 1,343 among high schools in California on the 2025 Success Index (US).