Charleston High School

Charleston CUSD 1

Charleston, Illinois

766 students

High School, Grades 9–12

(217)639-5000 School Website

766

Students

15.8:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

1,140

B+

out of 1600

Good

Avg ACT Score

A-

out of 36

Good

AP Courses

courses offered

Average

AP Enrollment

18%

of students

Average

Student-Teacher Ratio

16:1

B+

students per teacher

Good

Graduation Rate

67%

B+

Good

Reading Proficiency

32%

C+

Below Avg

Math Proficiency

19%

Below Avg

This Week at Charleston – April 20, 2026

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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 Charleston 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

After Charleston High

Where graduates go and what they study

Popular Colleges

Eastern Illinois University

University of Illinois Urbana-Champaign

Lake Land College

Illinois State University

Southern Illinois University Carbondale

Southern Illinois University Edwardsville

University of Illinois Chicago

Purdue University

Popular Majors

Business

Biology

Nursing

Psychology

Pre-Medicine Studies

Architecture

Marketing

Accounting

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School Details

Address

1615 Lincoln Ave, Charleston, IL 61920

Phone

(217)639-5000

Website

Visit Website

District

Charleston CUSD 1

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Other Schools in District

Mark Twain Elementary School

Carl Sandburg Elementary School

Charleston High School

Ashmore Elementary School

Charleston Middle School

Jefferson Elementary School