Allen (Decima M.) Elementary vs Green Hills Elementary
A head-to-head comparison of two elementary schools in California, United States, 2.3 km 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
Green Hills Elementary
Millbrae · Public elementary · Grades K–5
338 students
| Measure | Allen (Decima M.) Elementary San Bruno, California | Green Hills Elementary Millbrae, California |
|---|---|---|
| Success Index (US) | 36 Lower 50% | 79 Top 25% |
| State rank | #2851 of 5,693 | #350 of 5,693 |
| National rank | #34794 of 50,301 | #5726 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 396 | 338 |
| Enrollment | 396 | 338 |
| Free/reduced-price lunch | 64.9% | 14.8% |
| Students per teacher | 23.3 | 22.5 |
| Reading proficiency | 47% | 74% |
| Math proficiency | 37% | 78% |
| city | San Bruno | Millbrae |
| state | California | California |
| Website | – | – |
The verdict
- •Green Hills Elementary scores higher on the Success Index (US) (78.7 vs 35.7).
- •Green Hills Elementary does better on math proficiency (78% vs 37%).
- •Green Hills Elementary does better on reading proficiency (74% vs 47%).
- •Green Hills Elementary does better on community advantage (fewer free/reduced-price lunch) (14.8% vs 64.9%).
- •Green Hills Elementary does better on students per teacher (22.5 vs 23.3).
- •Allen (Decima M.) Elementary is the larger school with 396 students compared with 338.
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 Green Hills Elementary?
On the Success Index (US), Green Hills Elementary ranks higher (78.7 vs 35.7 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 Allen (Decima M.) Elementary and Green Hills Elementary?
About 2.3 km in a straight line, between San Bruno and Millbrae in California.
Which has the better Enrollment?
Allen (Decima M.) Elementary: 396. Green Hills Elementary: 338. Students enrolled in the latest NCES directory year.
How do Allen (Decima M.) Elementary and Green Hills Elementary rank in California?
Allen (Decima M.) Elementary is 2851st of 5,693 and Green Hills Elementary is 350th of 5,693 among elementary schools in California on the 2025 Success Index (US).