Mt. Diablo High vs Sun Terrace Elementary
A head-to-head comparison of two schools in California, United States, 2.0 km apart, using official American 2025 data. The better value in each row is highlighted.
Mt. Diablo High
Concord · Public high · Grades 9–12
1,397 students
Sun Terrace Elementary
Concord · Public elementary · Grades K–5
418 students
| Measure | Mt. Diablo High Concord, California | Sun Terrace Elementary Concord, California |
|---|---|---|
| Success Index (US) | 19 Lower 50% | 15 Lower 50% |
| State rank | #1148 of 1,343 | #5002 of 5,693 |
| National rank | #15532 of 16,910 | #47759 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 1,397 | 418 |
| Enrollment | 1,397 | 418 |
| Free/reduced-price lunch | 80% | 73.9% |
| Students per teacher | 20.0 | 26.1 |
| Reading proficiency | 36% | 26% |
| Math proficiency | 15% | 19% |
| city | Concord | Concord |
| state | California | California |
| Website | – | – |
The verdict
- •Mt. Diablo High scores higher on the Success Index (US) (18.5 vs 14.8).
- •Sun Terrace Elementary does better on math proficiency (19% vs 15%).
- •Mt. Diablo High does better on reading proficiency (36% vs 26%).
- •Sun Terrace Elementary does better on community advantage (fewer free/reduced-price lunch) (73.9% vs 80%).
- •Mt. Diablo High does better on students per teacher (20.0 vs 26.1).
- •Mt. Diablo High is the larger school with 1,397 students compared with 418.
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 Mt. Diablo High better than Sun Terrace Elementary?
On the Success Index (US), Mt. Diablo High ranks higher (18.5 vs 14.8 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 Mt. Diablo High and Sun Terrace Elementary?
About 2.0 km in a straight line, between Concord and Concord in California.
Which has the better Enrollment?
Mt. Diablo High: 1,397. Sun Terrace Elementary: 418. Students enrolled in the latest NCES directory year.
How do Mt. Diablo High and Sun Terrace Elementary rank in California?
Mt. Diablo High is 1148th of 1,343 and Sun Terrace Elementary is 5002nd of 5,693 among high schools in California on the 2025 Success Index (US).