Building 21 Allentown vs Salisbury SHS
A head-to-head comparison of two high schools in Pennsylvania, United States, 2.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Building 21 Allentown
Allentown · Public high · Grades 9–12
415 students
Salisbury SHS
Allentown · Public high · Grades 9–12
546 students
| Measure | Building 21 Allentown Allentown, Pennsylvania | Salisbury SHS Allentown, Pennsylvania |
|---|---|---|
| Success Index (US) | 16 Lower 50% | 65 Top 50% |
| State rank | #585 of 618 | #280 of 618 |
| National rank | #15905 of 16,910 | #4606 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 415 | 546 |
| Enrollment | 415 | 546 |
| Free/reduced-price lunch | 99% | 46.5% |
| Students per teacher | 16.0 | 17.6 |
| Reading proficiency | 27% | 72% |
| Math proficiency | 17% | 62% |
| city | Allentown | Allentown |
| state | Pennsylvania | Pennsylvania |
| Website | – | – |
The verdict
- •Salisbury SHS scores higher on the Success Index (US) (64.7 vs 16.1).
- •Salisbury SHS does better on math proficiency (62% vs 17%).
- •Salisbury SHS does better on reading proficiency (72% vs 27%).
- •Salisbury SHS does better on community advantage (fewer free/reduced-price lunch) (46.5% vs 99%).
- •Building 21 Allentown does better on students per teacher (16.0 vs 17.6).
- •Salisbury SHS is the larger school with 546 students compared with 415.
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 Building 21 Allentown better than Salisbury SHS?
On the Success Index (US), Salisbury SHS ranks higher (64.7 vs 16.1 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 Building 21 Allentown and Salisbury SHS?
About 2.8 km in a straight line, between Allentown and Allentown in Pennsylvania.
Which has the better Enrollment?
Building 21 Allentown: 415. Salisbury SHS: 546. Students enrolled in the latest NCES directory year.
How do Building 21 Allentown and Salisbury SHS rank in Pennsylvania?
Building 21 Allentown is 585th of 618 and Salisbury SHS is 280th of 618 among high schools in Pennsylvania on the 2025 Success Index (US).