Oswego High School

Oswego High School

Oswego, Illinois

2,901 students

High School, Grades 9–12

#62

Best ACT in Illinois High Schools

2,901

Students

16.3:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,170

B+

out of 1600
Good
Avg ACT Score

27

A

out of 36
Excellent
AP Courses

28

A+

courses offered
Excellent
AP Enrollment

23%

C

of students
Good
Student-Teacher Ratio

16:1

B

students per teacher
Average
Graduation Rate

93%

A+

Excellent
Reading Proficiency

26%

C

Below Avg
Math Proficiency

21%

C

Below Avg
Academic Grades

Select a grade level to explore courses and resources

After Oswego High
Where graduates go and what they study
Popular Colleges
1

Waubonsee Community College

2

Northern Illinois University

3

University of Illinois Urbana-Champaign

4

Illinois State University

5

Aurora University

6

University of Illinois Chicago

7

University of Iowa

8

Michigan State University

Popular Majors
1

Business

2

Psychology

3

Nursing

4

Biology

5

Pre-Medicine Studies

6

Computer Science

7

Marketing

8

Elementary Education

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School Details
Address

4250 State Route 71, Oswego, IL 60543

Phone

(630)636-2000

Website

Visit Website

District

CUSD 308

Academic Calendar
2025-2026

Important dates, holidays, and school events

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