Black Diamond Middle vs Diablo Vista Elementary
A head-to-head comparison of two schools in California, United States, 1.3 km apart, using official American 2025 data. The better value in each row is highlighted.
Black Diamond Middle
Antioch · Public middle · Grades 7–8
358 students
Diablo Vista Elementary
Antioch · Public elementary · Grades K–5
496 students
| Measure | Black Diamond Middle Antioch, California | Diablo Vista Elementary Antioch, California |
|---|---|---|
| Success Index (US) | 9 Lower 50% | 27 Lower 50% |
| State rank | #1290 of 1,334 | #3542 of 5,693 |
| National rank | #15187 of 15,369 | #40140 of 50,301 |
| Sector | Public | Public |
| Type | Middle | Elementary |
| Year range | Grades 7–8 | Grades K–5 |
| Students | 358 | 496 |
| Enrollment | 358 | 496 |
| Free/reduced-price lunch | 81% | 61.1% |
| Students per teacher | 22.4 | 23.6 |
| Reading proficiency | 18% | 37% |
| Math proficiency | 8% | 28% |
| city | Antioch | Antioch |
| state | California | California |
| Website | – | – |
The verdict
- •Diablo Vista Elementary scores higher on the Success Index (US) (27.4 vs 8.7).
- •Diablo Vista Elementary does better on math proficiency (28% vs 8%).
- •Diablo Vista Elementary does better on reading proficiency (37% vs 18%).
- •Diablo Vista Elementary does better on community advantage (fewer free/reduced-price lunch) (61.1% vs 81%).
- •Black Diamond Middle does better on students per teacher (22.4 vs 23.6).
- •Diablo Vista Elementary is the larger school with 496 students compared with 358.
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 Black Diamond Middle better than Diablo Vista Elementary?
On the Success Index (US), Diablo Vista Elementary ranks higher (27.4 vs 8.7 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 Black Diamond Middle and Diablo Vista Elementary?
About 1.3 km in a straight line, between Antioch and Antioch in California.
Which has the better Enrollment?
Black Diamond Middle: 358. Diablo Vista Elementary: 496. Students enrolled in the latest NCES directory year.
How do Black Diamond Middle and Diablo Vista Elementary rank in California?
Black Diamond Middle is 1290th of 1,334 and Diablo Vista Elementary is 3542nd of 5,693 among middle schools in California on the 2025 Success Index (US).