Oswego High School, or OHS, is a public four-year high school located in Oswego, Illinois, a southwest suburb of Chicago, Illinois, in the United States. It is part of Oswego Community Unit School District 308, which also includes Oswego East High School.
Serving 2,866 students in grades 9-12, Oswego High School ranks in the top 50% of all schools in Illinois for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 29% (which is higher than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 33% (which is higher than the Illinois state average of 30%).
The student:teacher ratio of 17:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 49% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,866 students
- Student:Teacher Ratio: 17:1
- Minority Enrollment: 49%
- Graduation Rate: 95% (Top 20% in IL)
- Overall Testing Rank: Top 50%
- Math Proficiency: 29% (Top 50%)
- Reading Proficiency: 33% (Top 50%)
- Science Proficiency: 54% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Oswego High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Graduation Rate
Diversity
School Overview
Oswego High School's student population of 2,866 students has stayed relatively flat over five school years.
The teacher population of 166 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,866 students
Gender %
Total Classroom Teachers
166 teachers
Year Founded
1867
Colors
Navy Blue, Orange
School Rankings
Oswego High School ranks within the top 50% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Oswego High School is 0.64, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1105 out of 3426 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
(20-21)29%
28%
Reading/Language Arts Test Scores (% Proficient)
33%
30%
Science Test Scores (% Proficient)
54%
50%
Student : Teacher Ratio
17:1
13:1
American Indian
n/a
1%
Asian
3%
6%
Hispanic
31%
28%
Black
11%
16%
White
51%
45%
Hawaiian
n/a
n/a
Two or more races
4%
4%
All Ethnic Groups
Graduation Rate
95%
87%
Eligible for Free Lunch
16%
43%
Eligible for Reduced Lunch
2%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Panthers
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Oswego High School's ranking?
Oswego High School is ranked #1105 out of 3,426 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Oswego High School often compared to?
Oswego High Schoolis often viewed alongside schools like Oswego East High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
29% of students have achieved math proficiency (compared to the 28% IL state average), while 33% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Oswego High School?
The graduation rate of Oswego High School is 95%, which is higher than the Illinois state average of 87%.
How many students attend Oswego High School?
2,866 students attend Oswego High School.
What is the racial composition of the student body?
51% of Oswego High School students are White, 31% of students are Hispanic, 11% of students are Black, 4% of students are Two or more races, and 3% of students are Asian.
What is the student:teacher ratio of Oswego High School?
Oswego High School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.
What grades does Oswego High School offer ?
Oswego High School offers enrollment in grades 9-12
What school district is Oswego High School part of?
Oswego High School is part of CUSD 308 School District.
School Reviews
Review Oswego High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Texas Schools: The Voucher/School Choice Debate
The issue of school choice and a voucher system is currently being revisited in Houston and across the state of Texas, with strong opinions on both sides of the debate.
Fuel Up to Play 60 Focuses on Integrating Fitness and Wellness into the School Day
What if NFL players came to your school? With the Fuel Up to Play 60 program, sponsored by the National Dairy Council and the NFL, nutrition and exercise are promoted during the school day. NFL players participate in the program by coming to schools and talking to students about fitness. Learn more about the program and some of the schools that are implementing it.
What Parents Need to Know About Lunch Shaming
Students all over the nation go hungry every day not because their schools don’t offer lunch, but because they refuse them to children with outstanding debts. Read on to learn about the horror that is lunch shaming and what can be done about it.
