Laboratory CS vs Potter-Thomas Sch
A head-to-head comparison of two elementary schools in Pennsylvania, United States, 610 m apart, using official American 2025 data. The better value in each row is highlighted.
Laboratory CS
Philadelphia · Charter elementary · Grades K–8
461 students
Potter-Thomas Sch
Philadelphia · Public elementary · Grades K–8
325 students
| Measure | Laboratory CS Philadelphia, Pennsylvania | Potter-Thomas Sch Philadelphia, Pennsylvania |
|---|---|---|
| Success Index (US) | 41 Lower 50% | 17 Lower 50% |
| State rank | #1152 of 1,627 | #1516 of 1,627 |
| National rank | #31323 of 50,301 | #46777 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades K–8 |
| Students | 461 | 325 |
| Enrollment | 461 | 325 |
| Free/reduced-price lunch | 39.3% | 111.1% |
| Students per teacher | 22.0 | 8.3 |
| Reading proficiency | 53% | 20% |
| Math proficiency | 23% | 6% |
| city | Philadelphia | Philadelphia |
| state | Pennsylvania | Pennsylvania |
| Website | – | – |
The verdict
- •Laboratory CS scores higher on the Success Index (US) (40.9 vs 16.7).
- •Laboratory CS does better on math proficiency (23% vs 6%).
- •Laboratory CS does better on reading proficiency (53% vs 20%).
- •Laboratory CS does better on community advantage (fewer free/reduced-price lunch) (39.3% vs 111.1%).
- •Potter-Thomas Sch does better on students per teacher (8.3 vs 22.0).
- •Laboratory CS is the larger school with 461 students compared with 325.
- •Laboratory CS is a charter school while Potter-Thomas Sch is a public 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 Laboratory CS better than Potter-Thomas Sch?
On the Success Index (US), Laboratory CS ranks higher (40.9 vs 16.7 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 Laboratory CS and Potter-Thomas Sch?
About 610 m in a straight line, between Philadelphia and Philadelphia in Pennsylvania.
Which has the better Enrollment?
Laboratory CS: 461. Potter-Thomas Sch: 325. Students enrolled in the latest NCES directory year.
How do Laboratory CS and Potter-Thomas Sch rank in Pennsylvania?
Laboratory CS is 1152nd of 1,627 and Potter-Thomas Sch is 1516th of 1,627 among elementary schools in Pennsylvania on the 2025 Success Index (US).