Cobb (William L.) Elementary vs Marina Middle
A head-to-head comparison of two schools in California, United States, 1.6 km apart, using official American 2025 data. The better value in each row is highlighted.
Cobb (William L.) Elementary
San Francisco · Public elementary · Grades K–5
134 students
Marina Middle
San Francisco · Public middle · Grades 6–8
646 students
| Measure | Cobb (William L.) Elementary San Francisco, California | Marina Middle San Francisco, California |
|---|---|---|
| Success Index (US) | 20 Lower 50% | 49 Lower 50% |
| State rank | #4442 of 5,693 | #436 of 1,334 |
| National rank | #45145 of 50,301 | #7919 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades K–5 | Grades 6–8 |
| Students | 134 | 646 |
| Enrollment | 134 | 646 |
| Free/reduced-price lunch | 70.1% | 75.9% |
| Students per teacher | 22.3 | 17.0 |
| Reading proficiency | 15% | 54% |
| Math proficiency | 24.5% | 50% |
| city | San Francisco | San Francisco |
| state | California | California |
| Website | – | – |
The verdict
- •Marina Middle scores higher on the Success Index (US) (48.7 vs 19.5).
- •Marina Middle does better on math proficiency (50% vs 24.5%).
- •Marina Middle does better on reading proficiency (54% vs 15%).
- •Cobb (William L.) Elementary does better on community advantage (fewer free/reduced-price lunch) (70.1% vs 75.9%).
- •Marina Middle does better on students per teacher (17.0 vs 22.3).
- •Marina Middle is the larger school with 646 students compared with 134.
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 Cobb (William L.) Elementary better than Marina Middle?
On the Success Index (US), Marina Middle ranks higher (48.7 vs 19.5 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 Cobb (William L.) Elementary and Marina Middle?
About 1.6 km in a straight line, between San Francisco and San Francisco in California.
Which has the better Enrollment?
Cobb (William L.) Elementary: 134. Marina Middle: 646. Students enrolled in the latest NCES directory year.
How do Cobb (William L.) Elementary and Marina Middle rank in California?
Cobb (William L.) Elementary is 4442nd of 5,693 and Marina Middle is 436th of 1,334 among elementary schools in California on the 2025 Success Index (US).