William Allen High School

Allentown City School District

Allentown, Pennsylvania

2,852 students

High School, Grades 9–12

(484)765-5001 School Website

2,852

Students

20.2:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

922

B-

out of 1600

Below Avg

AP Courses

B+

courses offered

Good

AP Enrollment

of students

Below Avg

Student-Teacher Ratio

20:1

B-

students per teacher

Average

This Week at William Allen – August 18, 2026

377 students practicing on Varsity Tutors

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students

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ACT Prep

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MATH

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Academic Grades

Select a grade level to explore courses and resources

Academic Resources

Typical courses and practice resources for students at William Allen High School

Biology

Cell biology, genetics, evolution, and ecology

AP Biology

College-level biology with lab component

Chemistry

Atomic structure, reactions, and stoichiometry

AP Chemistry

College-level chemistry with lab component

Physics

Mechanics, waves, electricity, and magnetism

AP Physics 1

Algebra-based mechanics and waves

Environmental Science

Ecosystems, human impact, and sustainability

AP Environmental Science

College-level environmental science

World History

Global civilizations from ancient to modern times

AP World History

College-level world history analysis

U.S. History

American history from colonization to present

AP U.S. History

College-level American history

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at William Allen High School.

National Tests

August 1, 2026 – November 30, 2026

ISEE — Fall Testing Season

Testing window

August 3, 2026 – June 30, 2027

SSAT — Flex Testing

Testing window

August 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

September 1, 2026

SAT — National

Late registration deadline

+76 more national tests this school year

State Assessments

December 7, 2026 – December 18, 2026

Keystone Exams — Algebra I

Testing window

December 7, 2026 – December 18, 2026

Keystone Exams — Literature

Testing window

December 7, 2026 – December 18, 2026

Keystone Exams — Biology

Testing window

January 4, 2027 – January 15, 2027

Keystone Exams — Algebra I

Testing window

January 4, 2027 – January 15, 2027

Keystone Exams — Literature

Testing window

January 4, 2027 – January 15, 2027

Keystone Exams — Biology

Testing window

+5 more state assessments this school year

See the full national test & school calendar

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School Details

Address

106 N 17th St, Allentown, PA 18104

Phone

(484)765-5001

Website

Visit Website

District

Allentown City School District

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Other Schools in District

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Jackson Early Childhood Center

Building 21 Allentown

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Ritter Elementary School

Mosser Elementary School