Louis E Dieruff High School
1,915
Students
18:1
S:T Ratio
School Snapshot
Key metrics at a glance884
C+
8
B+
3%
C
18:1
B
This Week at Louis E Dieruff – June 12, 2026
255 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Louis E Dieruff High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Louis E Dieruff High School.
National Tests
June 13, 2026
ACT — National
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
School Milestones
May 29, 2026 – June 12, 2026
School End/Summer Start
June 10, 2026 – June 13, 2026
Graduation
August 1, 2026
Homeschool Affidavit Due
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815 N Irving St, Allentown, PA 18109
(484)765-5501
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Allentown City School District
Academic Calendar
Important dates, holidays, and school events