High · Pennsylvania
Building 21 Allentown
Free meals for allBuilding 21 Allentown, a public high school in Allentown, Pennsylvania: grades 9–12, 415 students, 16.0 students per teacher (2024–25 school year). Part of Allentown City SD.
Size and class size
Compared with high schools of the same state and the whole country. Students per teacher counts every full-time-equivalent teacher, not the size of each class.
- Students
- 415
- Teachers (FTE)
- 26.0
- Students per teacher
- 16.0
- Grades
- 9–12
- High
More students per teacher than 81% of high schools in Pennsylvania
Median 13.3 · 712 schools compared
More students per teacher than 61% of high schools in the US
Median 14.4 · 20,809 schools compared
Smaller than 67% of high schools in Pennsylvania
Median 573 · 715 schools compared
Larger than 50% of high schools in the US
Median 414 · 22,064 schools compared
State test results
No state test results published for this school: state tests cover grades 3–8, and small groups are not published.
What it offers
- Grades
- High · Grades 9–12
- Type
- District school · Regular
- Instruction
- Some virtual classes
- Meals
- Free breakfast and lunch for every student
- Area
- Midsize city
- Run by
- Allentown City SD
Which school a home is assigned to is decided by the district's attendance zones; check with Allentown City SD.
Location
- Address
- 265 Lehigh St, Allentown, PA 18102
- Phone
- (484)765-4400
- City or town
- Allentown
- County
- Lehigh County
Nearby high schools
The closest public high schools by straight-line distance. Attendance zones are set by each district.
| School | Grades | Students | Students / teacher |
|---|---|---|---|
William Allen HSFree meals for all | 9–12 | 3,074 | 20.1 |
| 9–12 | 546 | 17.3 | |
Louis E Dieruff HSFree meals for all | 9–12 | 1,914 | 16.6 |
Innovative Arts Academy CSCharter | 6–12 | 477 | 13.6 |
Whitehall HSFree meals for all | 9–12 | 1,462 | 16.0 |
| 9–12 | 2,842 | 15.7 |
Sources
- Public schools and school districts (National Center for Education Statistics · U.S. Census Bureau), 2024–25 school year. NCES Common Core of Data and EDGE public school geocodes; U.S. Census Bureau, Annual Survey of School System Finances and cartographic boundary files (places).
Analisa does not rate schools. Figures are what a school has (students, teachers, programs), placed among schools of the same level; state test results are compared only within a state.
NCES 420228007623