Harrington Avery D Sch vs Mastery CS-Hardy Williams
A head-to-head comparison of two schools in Pennsylvania, United States, 702 m apart, using official American 2025 data. The better value in each row is highlighted.
Harrington Avery D Sch
Philadelphia · Public elementary · Grades K–8
274 students
Mastery CS-Hardy Williams
Philadelphia · Charter other · Grades K–12
1,253 students
| Measure | Harrington Avery D Sch Philadelphia, Pennsylvania | Mastery CS-Hardy Williams Philadelphia, Pennsylvania |
|---|---|---|
| Success Index (US) | 17 Lower 50% | – Not rated |
| State rank | #1498 of 1,627 | – |
| National rank | #46379 of 50,301 | – |
| Sector | Public | Charter |
| Type | Elementary | Other |
| Year range | Grades K–8 | Grades K–12 |
| Students | 274 | 1,253 |
| Enrollment | 274 | 1,253 |
| Free/reduced-price lunch | 105.5% | 95.1% |
| Students per teacher | 10.5 | 19.0 |
| Reading proficiency | 26% | 41% |
| Math proficiency | 11% | 18% |
| city | Philadelphia | Philadelphia |
| state | Pennsylvania | Pennsylvania |
| Website | – | – |
The verdict
- •Mastery CS-Hardy Williams does better on math proficiency (18% vs 11%).
- •Mastery CS-Hardy Williams does better on reading proficiency (41% vs 26%).
- •Mastery CS-Hardy Williams does better on community advantage (fewer free/reduced-price lunch) (95.1% vs 105.5%).
- •Harrington Avery D Sch does better on students per teacher (10.5 vs 19.0).
- •Mastery CS-Hardy Williams is the larger school with 1,253 students compared with 274.
- •Harrington Avery D 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 Harrington Avery D 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 Harrington Avery D Sch and Mastery CS-Hardy Williams?
About 702 m in a straight line, between Philadelphia and Philadelphia in Pennsylvania.
Which has the better Enrollment?
Harrington Avery D Sch: 274. Mastery CS-Hardy Williams: 1,253. Students enrolled in the latest NCES directory year.
How do Harrington Avery D Sch and Mastery CS-Hardy Williams rank in Pennsylvania?
Harrington Avery D Sch is 1498th of 1,627 and Mastery CS-Hardy Williams is unranked among elementary schools in Pennsylvania on the 2025 Success Index (US).