Northley MS vs Sun Valley HS
A head-to-head comparison of two schools in Pennsylvania, United States, 391 m apart, using official American 2025 data. The better value in each row is highlighted.
Northley MS
Aston · Public middle · Grades 6–8
748 students
Sun Valley HS
Aston · Public high · Grades 9–12
1,042 students
| Measure | Northley MS Aston, Pennsylvania | Sun Valley HS Aston, Pennsylvania |
|---|---|---|
| Success Index (US) | 62 Top 50% | 78 Top 10% |
| State rank | #244 of 521 | #120 of 618 |
| National rank | #5075 of 15,369 | #1574 of 16,910 |
| Sector | Public | Public |
| Type | Middle | High |
| Year range | Grades 6–8 | Grades 9–12 |
| Students | 748 | 1,042 |
| Enrollment | 748 | 1,042 |
| Free/reduced-price lunch | 35.4% | 38.9% |
| Students per teacher | 15.0 | 13.4 |
| Reading proficiency | 66% | 79% |
| Math proficiency | 37% | 74% |
| city | Aston | Aston |
| state | Pennsylvania | Pennsylvania |
| Website | – | – |
The verdict
- •Sun Valley HS scores higher on the Success Index (US) (78.1 vs 61.9).
- •Sun Valley HS does better on math proficiency (74% vs 37%).
- •Sun Valley HS does better on reading proficiency (79% vs 66%).
- •Northley MS does better on community advantage (fewer free/reduced-price lunch) (35.4% vs 38.9%).
- •Sun Valley HS does better on students per teacher (13.4 vs 15.0).
- •Sun Valley HS is the larger school with 1,042 students compared with 748.
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 Northley MS better than Sun Valley HS?
On the Success Index (US), Sun Valley HS ranks higher (78.1 vs 61.9 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 Northley MS and Sun Valley HS?
About 391 m in a straight line, between Aston and Aston in Pennsylvania.
Which has the better Enrollment?
Northley MS: 748. Sun Valley HS: 1,042. Students enrolled in the latest NCES directory year.
How do Northley MS and Sun Valley HS rank in Pennsylvania?
Northley MS is 244th of 521 and Sun Valley HS is 120th of 618 among middle schools in Pennsylvania on the 2025 Success Index (US).