Laboratory CS vs Lehigh Valley Dual Language CS
A head-to-head comparison of two elementary schools in Pennsylvania, United States, 71 km apart, using official American 2025 data. The better value in each row is highlighted.
Laboratory CS
Philadelphia · Charter elementary · Grades K–8
461 students
Lehigh Valley Dual Language CS
Bethlehem · Charter elementary · Grades K–8
457 students
| Measure | Laboratory CS Philadelphia, Pennsylvania | Lehigh Valley Dual Language CS Bethlehem, Pennsylvania |
|---|---|---|
| Success Index (US) | 41 Lower 50% | 15 Lower 50% |
| State rank | #1152 of 1,627 | #1556 of 1,627 |
| National rank | #31323 of 50,301 | #47702 of 50,301 |
| Sector | Charter | Charter |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades K–8 |
| Students | 461 | 457 |
| Enrollment | 461 | 457 |
| Free/reduced-price lunch | 39.3% | 99.3% |
| Students per teacher | 22.0 | 19.9 |
| Reading proficiency | 53% | 39% |
| Math proficiency | 23% | 15% |
| city | Philadelphia | Bethlehem |
| state | Pennsylvania | Pennsylvania |
| Website | – | – |
The verdict
- •Laboratory CS scores higher on the Success Index (US) (40.9 vs 14.9).
- •Laboratory CS does better on math proficiency (23% vs 15%).
- •Laboratory CS does better on reading proficiency (53% vs 39%).
- •Laboratory CS does better on community advantage (fewer free/reduced-price lunch) (39.3% vs 99.3%).
- •Lehigh Valley Dual Language CS does better on students per teacher (19.9 vs 22.0).
- •Laboratory CS is the larger school with 461 students compared with 457.
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 Lehigh Valley Dual Language CS?
On the Success Index (US), Laboratory CS ranks higher (40.9 vs 14.9 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 Laboratory CS and Lehigh Valley Dual Language CS?
About 71 km in a straight line, between Philadelphia and Bethlehem in Pennsylvania.
Which has the better Enrollment?
Laboratory CS: 461. Lehigh Valley Dual Language CS: 457. Students enrolled in the latest NCES directory year.
How do Laboratory CS and Lehigh Valley Dual Language CS rank in Pennsylvania?
Laboratory CS is 1152nd of 1,627 and Lehigh Valley Dual Language CS is 1556th of 1,627 among elementary schools in Pennsylvania on the 2025 Success Index (US).