The public high schools with the lowest student-to-teacher ratios in Lehigh County, Pennsylvania
11 public high schools in Lehigh County, Pennsylvania appear in this ranking of the public high schools with the lowest student-to-teacher ratios, ranked by the fewest students per teacher, a proxy for class size and staffing. Northwestern Lehigh HS leads the list at 12.8:1, against a median of 16.0:1 across the ranked schools.
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| # | School | City | Ratio |
|---|---|---|---|
| 1 | Northwestern Lehigh HS | New Tripoli, PA | 12.8:1 |
| 2 | Innovative Arts Academy CS | Catasauqua, PA | 13.6:1 |
| 3 | Northern Lehigh SHS | Slatington, PA | 14.1:1 |
| 4 | Southern Lehigh SHS | Center Valley, PA | 15.3:1 |
| 5 | Emmaus HS | Emmaus, PA | 15.7:1 |
| 6 | Building 21 Allentown | Allentown, PA | 16.0:1 |
| 7 | Whitehall HS | Whitehall, PA | 16.0:1 |
| 8 | Parkland HS | Allentown, PA | 16.2:1 |
| 9 | Louis E Dieruff HS | Allentown, PA | 16.6:1 |
| 10 | Salisbury SHS | Allentown, PA | 17.3:1 |
| 11 | William Allen HS | Allentown, PA | 20.1:1 |
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