Clayton Valley Charter High vs Mt. Diablo Elementary
A head-to-head comparison of two schools in California, United States, 2.7 km apart, using official American 2025 data. The better value in each row is highlighted.
Clayton Valley Charter High
Concord · Charter high · Grades 9–12
2,373 students
Mt. Diablo Elementary
Clayton · Public elementary · Grades K–5
739 students
| Measure | Clayton Valley Charter High Concord, California | Mt. Diablo Elementary Clayton, California |
|---|---|---|
| Success Index (US) | 65 Top 50% | 71 Top 25% |
| State rank | #176 of 1,343 | #774 of 5,693 |
| National rank | #4645 of 16,910 | #10743 of 50,301 |
| Sector | Charter | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 2,373 | 739 |
| Enrollment | 2,373 | 739 |
| Free/reduced-price lunch | 22.3% | 21% |
| Students per teacher | 25.2 | 30.8 |
| Reading proficiency | 72% | 72% |
| Math proficiency | 48% | 63% |
| city | Concord | Clayton |
| state | California | California |
| Website | – | – |
The verdict
- •Mt. Diablo Elementary scores higher on the Success Index (US) (70.8 vs 64.5).
- •Mt. Diablo Elementary does better on math proficiency (63% vs 48%).
- •Mt. Diablo Elementary does better on community advantage (fewer free/reduced-price lunch) (21% vs 22.3%).
- •Clayton Valley Charter High does better on students per teacher (25.2 vs 30.8).
- •Clayton Valley Charter High is the larger school with 2,373 students compared with 739.
- •Clayton Valley Charter High is a charter school while Mt. Diablo Elementary is a public school, so fees and admission rules differ.
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 Clayton Valley Charter High better than Mt. Diablo Elementary?
On the Success Index (US), Mt. Diablo Elementary ranks higher (70.8 vs 64.5 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 Clayton Valley Charter High and Mt. Diablo Elementary?
About 2.7 km in a straight line, between Concord and Clayton in California.
Which has the better Enrollment?
Clayton Valley Charter High: 2,373. Mt. Diablo Elementary: 739. Students enrolled in the latest NCES directory year.
How do Clayton Valley Charter High and Mt. Diablo Elementary rank in California?
Clayton Valley Charter High is 176th of 1,343 and Mt. Diablo Elementary is 774th of 5,693 among high schools in California on the 2025 Success Index (US).