Del Mar Middle vs Mill Valley Middle
A head-to-head comparison of two middle schools in California, United States, 4.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Del Mar Middle
Tiburon · Public middle · Grades 6–8
359 students
Mill Valley Middle
Mill Valley · Public middle · Grades 6–8
721 students
| Measure | Del Mar Middle Tiburon, California | Mill Valley Middle Mill Valley, California |
|---|---|---|
| Success Index (US) | 95 Top 5% | 88 Top 5% |
| State rank | #2 of 1,334 | #9 of 1,334 |
| National rank | #59 of 15,369 | #440 of 15,369 |
| Sector | Public | Public |
| Type | Middle | Middle |
| Year range | Grades 6–8 | Grades 6–8 |
| Students | 359 | 721 |
| Enrollment | 359 | 721 |
| Free/reduced-price lunch | 4.7% | 6.2% |
| Students per teacher | 12.0 | 15.7 |
| Reading proficiency | 86% | 84% |
| Math proficiency | 81% | 77% |
| city | Tiburon | Mill Valley |
| state | California | California |
| Website | – | – |
The verdict
- •Del Mar Middle scores higher on the Success Index (US) (94.7 vs 88.2).
- •Del Mar Middle does better on math proficiency (81% vs 77%).
- •Del Mar Middle does better on reading proficiency (86% vs 84%).
- •Del Mar Middle does better on community advantage (fewer free/reduced-price lunch) (4.7% vs 6.2%).
- •Del Mar Middle does better on students per teacher (12.0 vs 15.7).
- •Mill Valley Middle is the larger school with 721 students compared with 359.
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 Del Mar Middle better than Mill Valley Middle?
On the Success Index (US), Del Mar Middle ranks higher (94.7 vs 88.2 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 Del Mar Middle and Mill Valley Middle?
About 4.2 km in a straight line, between Tiburon and Mill Valley in California.
Which has the better Enrollment?
Del Mar Middle: 359. Mill Valley Middle: 721. Students enrolled in the latest NCES directory year.
How do Del Mar Middle and Mill Valley Middle rank in California?
Del Mar Middle is 2nd of 1,334 and Mill Valley Middle is 9th of 1,334 among middle schools in California on the 2025 Success Index (US).