Longstreth William C Sch vs Mastery CS-Hardy Williams
A head-to-head comparison of two schools in Pennsylvania, United States, 525 m apart, using official American 2025 data. The better value in each row is highlighted.
Longstreth William C Sch
Philadelphia · Public elementary · Grades PK–8
314 students
Mastery CS-Hardy Williams
Philadelphia · Charter other · Grades K–12
1,253 students
| Measure | Longstreth William C Sch Philadelphia, Pennsylvania | Mastery CS-Hardy Williams Philadelphia, Pennsylvania |
|---|---|---|
| Success Index (US) | 20 Lower 50% | – Not rated |
| State rank | #1437 of 1,627 | – |
| National rank | #44601 of 50,301 | – |
| Sector | Public | Charter |
| Type | Elementary | Other |
| Year range | Grades PK–8 | Grades K–12 |
| Students | 314 | 1,253 |
| Enrollment | 314 | 1,253 |
| Free/reduced-price lunch | 83.4% | 95.1% |
| Students per teacher | 13.1 | 19.0 |
| Reading proficiency | 25% | 41% |
| Math proficiency | 8% | 18% |
| city | Philadelphia | Philadelphia |
| state | Pennsylvania | Pennsylvania |
| Website | – | – |
The verdict
- •Mastery CS-Hardy Williams does better on math proficiency (18% vs 8%).
- •Mastery CS-Hardy Williams does better on reading proficiency (41% vs 25%).
- •Longstreth William C Sch does better on community advantage (fewer free/reduced-price lunch) (83.4% vs 95.1%).
- •Longstreth William C Sch does better on students per teacher (13.1 vs 19.0).
- •Mastery CS-Hardy Williams is the larger school with 1,253 students compared with 314.
- •Longstreth William C Sch is a public school while Mastery CS-Hardy Williams is a charter school, so fees and admission rules differ.
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 Longstreth William C Sch better than Mastery CS-Hardy Williams?
The two schools are very close on the Success Index (US). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Longstreth William C Sch and Mastery CS-Hardy Williams?
About 525 m in a straight line, between Philadelphia and Philadelphia in Pennsylvania.
Which has the better Enrollment?
Longstreth William C Sch: 314. Mastery CS-Hardy Williams: 1,253. Students enrolled in the latest NCES directory year.
How do Longstreth William C Sch and Mastery CS-Hardy Williams rank in Pennsylvania?
Longstreth William C Sch is 1437th of 1,627 and Mastery CS-Hardy Williams is unranked among elementary schools in Pennsylvania on the 2025 Success Index (US).