Oswego High School


Student Enrollment
Best High School in Illinois
 Rating 9 out of 10
Grades 9 to 12th grade
School District Oswego CUSD 308
Type Public
 Phone (630)636-2009
 Location 4250 State Route 71
Oswego, IL 60543
Charter School No

Oswego High School has an academic rating significantly above the average for Illinois high schools based on its high test performance, high graduation rate and low AP course participation. It is ranked 48th in the best public high schools in Illinois.



The Oswego High School student body is primarily White with a smaller Hispanic population and has medium racial diversity.

Race Percent Students
Asian Pacific3.1%80
Native American Indian1.4%37
Hawaiian Pacific Inlander0.2%6
Two or more races6.3%163

Family Income

vs. other Illinois high schools
Upper 20.7%

25.8% percent of the school's students are eligible for free lunch under the National School Lunch Program compared to the Illinois high school median of 42.4%. By this measure, Oswego High School students are largely upper income and rank 142nd in Illinois for high school student family income.

Enrollment by Grade

Grade Students



Graduation Rate

10 out of 10

Rank: 19th in Illinois

Subgroup Graduation Rate
All Students96%
Illinois Median87%
Black90% or more*
Hispanic90% to 94%*
Asian Pacific80% or more*
Native American80% or more*
Two or more races90% to 94%*
Economically Disadvantaged90% to 94%*
Limited English Proficiency50% or more*

*Indicates statistic has been anonymized to protect student privacy.

State Standardized Test Performance

8 out of 10

Rank: 100th in Illinois

Students at Oswego High School scored an average 40% of students proficient for math and reading as tested by the Illinois State Board of Education. Performance is well above the state high school median of 24% proficiency and places the school's test performance in the top 16.3% of Illinois high schools.

Test Proficiency By Gender

Gender Math Proficient Reading Proficient
Girls25% to 29%*70%
Boys15% to 19%*45%

State Test Proficiency by Subgroup

Subgroup Math Proficient Reading Proficient
American Indiansuppressed*50% or more*
Asian & Pacific Islanderless than 50%*60% to 79%*
Black20% to 29%*30% to 39%*
Hispanic10% to 14%*40% to 44%*
Multiracial11% to 19%*50% to 59%*
White25% to 29%*64%
With Disabilites5% or less*6% to 9%*
Limited English20% or less*20% or less*

*Indicates statistic has been anonymized to protect student privacy.

College Admission Test Scoring

Average ACT Score

The average ACT score for Oswego High School students in 2017 was 24. This indicates that the average student scores in the 73rd percentile nationally on the ACT.

College Admission Test Participation

5 out of 10

Rank: 272nd in Illinois

670 out of 1,243 junior and senior of students took either the ACT or SAT test (54%). College admission testing participation is slightly above the Illinois median rate of 53% and in the top 45% for participation.

AP Course and Test Performance

7 out of 10

Rank: 69th in Illinois

Oswego High School offers 16 AP courses. 12 percent of grade nine through twelve students are enrolled in at least one AP class. The AP participation rate is in the 36% percentile and somewhat below the median AP enrollment rate for all Illinois schools of 16%. Oswego High School had 266 taking AP exams with a 218 passing at least one exam. The AP pass rate is in the 79% percentile and well above the state median of 57 percent.

School State
AP Test Pass Rate 82% 57%
Students enrolled in an AP class 12% 16%
AP Math Enrollment Rate 5%
AP Science Enrollment Rate 2%
AP Other Enrollment Rate 8%
AP Courses Offered 16

Learning Environment

Absenteeism Rate

School State
Overall Chronic Absenteeism Rate19%17%
Female Chronic Absenteeism Rate21%
Male Chronic Absenteeism Rate16%

Safety and Discipline

Police Referral Rate

Group Percent Referrals
All Students0.7%17
Illinois Median0%

Police Arrest Rate

Group Percent Arrests
All Students0%0

Expulsion Rate

Group Percent Expulsions
All Students0%0
Illinois Median0%

In-School Suspension Rate

Group Percent Suspensions
All Students9.8%253
Illinois Median4.6%

Out-of-School Suspension Rate

Group Percent Suspensions
All Students2.4%61


Oswego High School
4250 State Route 71
Oswego, IL

10 out of 10 1


Oswego CUSD 308
Oswego, IL