Building 21 Allentown vs William Allen HS
A head-to-head comparison of two high schools in Pennsylvania, United States, 2.2 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
William Allen HS
Allentown · Public high · Grades 9–12
3,074 students
| Measure | Building 21 Allentown Allentown, Pennsylvania | William Allen HS Allentown, Pennsylvania |
|---|---|---|
| Success Index (US) | 16 Lower 50% | 19 Lower 50% |
| State rank | #585 of 618 | #573 of 618 |
| National rank | #15905 of 16,910 | #15475 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 415 | 3,074 |
| Enrollment | 415 | 3,074 |
| Free/reduced-price lunch | 99% | 99.1% |
| Students per teacher | 16.0 | 20.1 |
| Reading proficiency | 27% | 36% |
| Math proficiency | 17% | 25% |
| city | Allentown | Allentown |
| state | Pennsylvania | Pennsylvania |
| Website | – | – |
The verdict
- •William Allen HS scores higher on the Success Index (US) (18.9 vs 16.1).
- •William Allen HS does better on math proficiency (25% vs 17%).
- •William Allen HS does better on reading proficiency (36% vs 27%).
- •Building 21 Allentown does better on community advantage (fewer free/reduced-price lunch) (99% vs 99.1%).
- •Building 21 Allentown does better on students per teacher (16.0 vs 20.1).
- •William Allen HS is the larger school with 3,074 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 William Allen HS?
On the Success Index (US), William Allen HS ranks higher (18.9 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 William Allen HS?
About 2.2 km in a straight line, between Allentown and Allentown in Pennsylvania.
Which has the better Enrollment?
Building 21 Allentown: 415. William Allen HS: 3,074. Students enrolled in the latest NCES directory year.
How do Building 21 Allentown and William Allen HS rank in Pennsylvania?
Building 21 Allentown is 585th of 618 and William Allen HS is 573rd of 618 among high schools in Pennsylvania on the 2025 Success Index (US).