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St Charles CUSD 303
St Charles East High School

School District of St Charles CUSD 303

St Charles East High School

Saint Charles, Illinois

2,076 students

High School, Grades 9–12

(331)228-4000School Website

#62

Best ACT in Illinois High Schools

2,076

Students

13.2:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,240

A-

out of 1600
Good
Avg ACT Score

27

A

out of 36
Excellent
AP Courses

31

A+

courses offered
Excellent
AP Enrollment

29%

C

of students
Good
Student-Teacher Ratio

13:1

A-

students per teacher
Good
Graduation Rate

91%

A+

Excellent
Reading Proficiency

48%

B-

Average
Math Proficiency

45%

B-

Average
This Week at St Charles East – March 22, 2026

282 students practicing on Varsity Tutors

SAT Prep

1

A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

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Math

0

students

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English

0

students

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Science

0

students

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Explore practice resources for St Charles East students
Academic Grades

Select a grade level to explore courses and resources

9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at St Charles East High School

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

After St Charles East High
Where graduates go and what they study
Popular Colleges
1

University of Illinois Urbana-Champaign

2

University of Iowa

3

Illinois State University

4

University of Wisconsin-Madison

5

Purdue University

6

University of Illinois Chicago

7

Michigan State University

8

Northern Illinois University

Popular Majors
1

Business

2

Psychology

3

Nursing

4

Biology

5

Marketing

6

Finance

7

Pre-Medicine Studies

8

Political Science and Government

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ACT Prep

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1:1 Tutoring

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School Details
Address

1020 Dunham Rd, Saint Charles, IL 60174

Phone

(331)228-4000

Website

Visit Website

District

St Charles CUSD 303

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Other Schools in District
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Fox Ridge School
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Norton Creek Elementary School
Wasco Elementary School