Average
#2105 of 3,813 schools in IL
Oswego High School
High School · CUSD 308
4250 State Route 71, Oswego, IL 60543
Enrollment
2,866
Student-Teacher
17.3:1
Score
6.1
Grades
9th – 12th
Enrollment
2,866
Student-Teacher
17.3:1
Score
6.1
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Oswego
#7 of 12
public schools
Illinois high schools
#390 of 703
In district
#10 of 21
CUSD 308
About Oswego High School
Oswego High School serves 2,866 students in grades 9-12 in this growing suburban community in Kendall County, Illinois. With 166 full-time equivalent teachers, the school maintains a student-teacher ratio of 17.3:1, providing reasonable class sizes for individualized attention. Academically, Oswego High School ranks #1828 out of 3,819 Illinois high schools, placing it in the 52nd percentile statewide with room for continued growth.
The school earned a MySchoolScout rating of 5.7 out of 10, with an academic score of 6.9 out of 10. In English Language Arts and Reading, 33% of students perform at proficient or above levels across grade levels, indicating opportunities for academic improvement. The school draws from an affluent suburban neighborhood where the median household income reaches $108,924 and home values average $303,500.
With 42% of local residents holding bachelor's degrees or higher and a low poverty rate of just 2.8%, the community demonstrates strong educational values and economic stability. Located at 4250 State Route 71, Oswego High School sits in a large suburban setting that serves over 40,000 residents in the surrounding area, reflecting the dynamic growth and family-oriented character of this Kendall County community.
What Parents Should Know
Oswego High School is a large school with 2,866 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
Score Breakdown
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Oswego High School — Students at Oswego High School score 31% proficient, which is below what's typical for similar communities (expected: 35%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
31.1%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 5 test records from IL state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 4.8/10.
How Oswego High School Compares
See how Oswego High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 42% (2019) to 29% (2021). Reading/ELA proficiency has declined from 43% (2019) to 33% (2022).
Location
4250 State Route 71, Oswego, IL 60543
Nearby Alternatives
Families considering Oswego High School may also want to explore other high schools in the area. Prairie Point Elem School (rated 7.6/10, 1.0 miles away), which scores notably higher. Another option is Oswego East High School (rated 7.0/10, 3.3 miles away), which scores slightly higher. Additionally, Fox Chase Elementary School (rated 6.5/10, 1.4 miles away), which scores slightly higher. For more schools in Oswego, see our Oswego schools guide .
Nearby Schools
20 within 4.5 mi| School | Distance | Rating |
|---|---|---|
| Prairie Point Elem School Oswego | 1.0 mi | 7.6 |
| Thompson Jr High School Oswego | 1.0 mi | 4.9 |
| Southbury Elem School Oswego | 0.8 mi | 6.2 |
| Traughber Jr High School Oswego | 1.0 mi | 4.1 |
| Fox Chase Elementary School Oswego | 1.4 mi | 6.5 |
| Old Post Elementary School Oswego | 1.6 mi | 5.5 |
| Boulder Hill Elem School Montgomery | 1.8 mi | 6.5 |
| Long Beach Elem School Montgomery | 2.1 mi | 3.8 |
| Hunt Club Elem Oswego | 2.7 mi | 6.4 |
| Plank Junior High Oswego | 2.4 mi | 5.1 |
| Churchill Elem School Oswego | 2.4 mi | 6.2 |
| Brokaw Early Learning Center Oswego | 2.5 mi | 5.3 |
| Nicholson Elem School Montgomery | 3.5 mi | 6.1 |
| Rose E Krug Elem School Aurora | 3.6 mi | 5.6 |
| G N Dieterich Elem School Aurora | 3.8 mi | 4.2 |
| Grande Reserve Elem Sch Yorkville | 3.2 mi | 5.6 |
| Oswego East High School Oswego | 3.3 mi | 7.0 |
| Lakewood Creek Elementary Montgomery | 3.6 mi | 4.1 |
| C M Bardwell Elem School Aurora | 4.5 mi | 4.7 |
| POPE ST. JOHN PAUL II CATH. ACADEMY-SOUTH CAMPUS Aurora | 4.5 mi | 5.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 60543 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$116,507
Median Home Value
$319,300
Median Rent
$1,558/mo
Population
41,723
College Educated
42.3%
Homeownership
86.2%
Avg Commute
30 min
Poverty Rate
2.7%
Median Age
39.2
Community Profile
The community surrounding Oswego High School has a median household income of $116,507. It is a well-educated community where 42% of adults hold a bachelor's degree or higher. The median home value in the area is $319,300, with a median rent of $1,558/month. The local poverty rate of 2.7% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Lincoln Way West New Lenox, IL | 6.1 |
| West Leyden High School Northlake, IL | 6.1 |
| Round Lake Senior High School Round Lake, IL | 6.0 |
| Guilford High School Rockford, IL | 6.2 |
| Elgin High School Elgin, IL | 5.9 |
| Joliet West High School Joliet, IL | 6.3 |
Frequently Asked Questions
Common questions about Oswego High School
What grades does Oswego High School serve?
Oswego High School serves students in grades 9th through 12th.
How many students attend Oswego High School?
Oswego High School has an enrollment of approximately 2,866 students.
What is the student-teacher ratio at Oswego High School?
The student-teacher ratio at Oswego High School is 17.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Oswego High School rank in IL?
Oswego High School is ranked #2105 out of 3,813 schools in IL.
What is Oswego High School's MySchoolScout rating?
Oswego High School has a composite rating of 6.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Oswego High School?
Based on the most recent state assessment data, Oswego High School has 35.5% math proficiency and 37.3% reading/ELA proficiency.
Is Oswego High School a charter school?
No, Oswego High School is not a charter school. It is a traditional public school operated by the local school district.
Is Oswego High School a Title I school?
No, Oswego High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Oswego High School?
31.1% of students at Oswego High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Oswego). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,866
- Student-Teacher Ratio
- 17.3:1
- Teachers (FTE)
- 166
- Free/Reduced Lunch
- 31.1%
- Type
- regular
- Setting
- Large Suburb
- County
- Kendall County
- Phone
- (630) 636-2000
- Data Year
- 2023–2024
Resources & Links
District
CUSD 308- District Enrollment
- 16,851
- Schools in District
- 22
- Per-Pupil Spending
- $16,904
- District Rank
- #10 of 21
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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