Allen (Decima M.) Elementary vs Belle Air Elementary
A head-to-head comparison of two elementary schools in California, United States, 917 m apart, using official American 2025 data. The better value in each row is highlighted.
Allen (Decima M.) Elementary
San Bruno · Public elementary · Grades K–5
396 students
Belle Air Elementary
San Bruno · Public elementary · Grades K–5
250 students
| Measure | Allen (Decima M.) Elementary San Bruno, California | Belle Air Elementary San Bruno, California |
|---|---|---|
| Success Index (US) | 36 Lower 50% | 12 Lower 50% |
| State rank | #2851 of 5,693 | #5314 of 5,693 |
| National rank | #34794 of 50,301 | #48891 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 396 | 250 |
| Enrollment | 396 | 250 |
| Free/reduced-price lunch | 64.9% | 76.4% |
| Students per teacher | 23.3 | 25.0 |
| Reading proficiency | 47% | 17% |
| Math proficiency | 37% | 12% |
| city | San Bruno | San Bruno |
| state | California | California |
| Website | – | – |
The verdict
- •Allen (Decima M.) Elementary scores higher on the Success Index (US) (35.7 vs 11.9).
- •Allen (Decima M.) Elementary does better on math proficiency (37% vs 12%).
- •Allen (Decima M.) Elementary does better on reading proficiency (47% vs 17%).
- •Allen (Decima M.) Elementary does better on community advantage (fewer free/reduced-price lunch) (64.9% vs 76.4%).
- •Allen (Decima M.) Elementary does better on students per teacher (23.3 vs 25.0).
- •Allen (Decima M.) Elementary is the larger school with 396 students compared with 250.
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 Allen (Decima M.) Elementary better than Belle Air Elementary?
On the Success Index (US), Allen (Decima M.) Elementary ranks higher (35.7 vs 11.9 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 Allen (Decima M.) Elementary and Belle Air Elementary?
About 917 m in a straight line, between San Bruno and San Bruno in California.
Which has the better Enrollment?
Allen (Decima M.) Elementary: 396. Belle Air Elementary: 250. Students enrolled in the latest NCES directory year.
How do Allen (Decima M.) Elementary and Belle Air Elementary rank in California?
Allen (Decima M.) Elementary is 2851st of 5,693 and Belle Air Elementary is 5314th of 5,693 among elementary schools in California on the 2025 Success Index (US).