Building 21
Public
High Grades 9–12 Virtual
Part of Philadelphia City SD
6501 Limekiln Pike, Philadelphia, PA 19138 · (215) 400-7450
Community ratings
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Academic performance
Math proficiency7.5%
State average 37.3%
Reading / language arts-3%
State average 55%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
371Students enrolled
20:1Student–teacher ratio
CitySetting
Regular SchoolSchool type
Enrollment by grade
Grade 9111
Grade 10108
Grade 1178
Grade 1274
Students
Black · 91%339
Hispanic · 5%20
Two or more races · 2%8
Asian · 1%3
White · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
397’20
399’21
388’22
382’23
371’24
Location
6501 Limekiln Pike Philadelphia
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.