Building 21
388
Students
19.2:1
S:T Ratio
School Snapshot
Key metrics at a glance950
B-
19:1
B-
This Week at Building 21 – June 20, 2026
59 students practicing on Varsity Tutors
Academic Pathways
Explore 83 courses in the 2025-26 catalog for Building 21
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Building 21.
National Tests
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 23, 2026
ACT
June 24, 2026
ACT
July 1, 2026 – July 31, 2026
AP Score Release — All
July 6, 2026
ACT Photo Upload/Standby Deadline
July 11, 2026
ACT — National
School Milestones
August 1, 2026
Homeschool Affidavit Due
After Building 21
Where graduates go and what they studyTemple University
Community College of Philadelphia
Commonwealth University - Bloomsburg
Shippensburg University of Pennsylvania
Penn State
Kutztown University of Pennsylvania
Drexel University
Cheyney University of Pennsylvania
Business
Nursing
Psychology
Criminal Justice and Law Enforcement Administration
Biology
Small Business Management
Animation, Video Graphics and Special Effects
Accounting
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ACT Prep
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1:1 Tutoring
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Live Classes
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Practice Hub
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6501 Limekiln Pike, Philadelphia, PA 19138
(215)400-7450
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Philadelphia City School District