Harrison Elementary vs Sumner Elementary
A head-to-head comparison of two elementary schools in California, United States, 1.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Harrison Elementary
Pomona · Public elementary · Grades K–8
328 students
Sumner Elementary
Claremont · Public elementary · Grades K–6
444 students
| Measure | Harrison Elementary Pomona, California | Sumner Elementary Claremont, California |
|---|---|---|
| Success Index (US) | 20 Lower 50% | 45 Lower 50% |
| State rank | #4444 of 5,693 | #2166 of 5,693 |
| National rank | #45158 of 50,301 | #28352 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades K–6 |
| Students | 328 | 444 |
| Enrollment | 328 | 444 |
| Free/reduced-price lunch | 93.3% | 45.7% |
| Students per teacher | 19.3 | 23.4 |
| Reading proficiency | 36% | 49% |
| Math proficiency | 28% | 43% |
| city | Pomona | Claremont |
| state | California | California |
| Website | – | – |
The verdict
- •Sumner Elementary scores higher on the Success Index (US) (45.4 vs 19.5).
- •Sumner Elementary does better on math proficiency (43% vs 28%).
- •Sumner Elementary does better on reading proficiency (49% vs 36%).
- •Sumner Elementary does better on community advantage (fewer free/reduced-price lunch) (45.7% vs 93.3%).
- •Harrison Elementary does better on students per teacher (19.3 vs 23.4).
- •Sumner Elementary is the larger school with 444 students compared with 328.
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 Harrison Elementary better than Sumner Elementary?
On the Success Index (US), Sumner Elementary ranks higher (45.4 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 Harrison Elementary and Sumner Elementary?
About 1.9 km in a straight line, between Pomona and Claremont in California.
Which has the better Enrollment?
Harrison Elementary: 328. Sumner Elementary: 444. Students enrolled in the latest NCES directory year.
How do Harrison Elementary and Sumner Elementary rank in California?
Harrison Elementary is 4444th of 5,693 and Sumner Elementary is 2166th of 5,693 among elementary schools in California on the 2025 Success Index (US).