Oswego High School
#126 of 691 high schools in Illinois
#7837 of 16,910 nationally
About Oswego High School
Oswego High School is a public high located in Oswego, in the CUSD 308 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 2,870 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 52.1 out of 100, placing it in the top 50% of high schools in United States and 126th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (80th percentile), and its weakest is reading proficiency (33th percentile).
Other published figures: enrollment 2,870.
There are 12 schools in Oswego; Oswego High School ranks 6th of 11 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)42%
- Reading proficiency (30%)43%
- Community advantage (fewer free/reduced-price lunch) (25%)30.5%
- Students per teacher (15%)15.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Oswego High School by the official sources.
- Enrollment
- 2,870
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 30.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 15.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 43%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
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Schools near Oswego High School
Closest schools by straight-line distance, with their Success Index (US).
Southbury Elem School
Oswego · Public elementary · Grades K–5
676 students · 1.3 km away
Prairie Point Elem School
Oswego · Public elementary · Grades K–5
455 students · 1.5 km away
Thompson Jr High School
Oswego · Public middle · Grades 6–8
832 students · 1.6 km away
Traughber Jr High School
Oswego · Public middle · Grades 6–8
1,070 students · 1.6 km away
Fox Chase Elementary School
Oswego · Public elementary · Grades K–5
661 students · 2.2 km away
Old Post Elementary School
Oswego · Public elementary · Grades K–5
387 students · 2.6 km away
Boulder Hill Elem School
Montgomery · Public elementary · Grades K–5
476 students · 2.9 km away
Long Beach Elem School
Montgomery · Public elementary · Grades PK–5
632 students · 3.3 km away
Plank Junior High
Oswego · Public middle · Grades 6–8
595 students · 3.8 km away
Churchill Elem School
Oswego · Public elementary · Grades K–5
425 students · 3.9 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Waubonsie Valley High School
Aurora · Public high · Grades 9–12
2,849 students
Carl Sandburg High School
Orland Park · Public high · Grades 9–12
2,840 students
Minooka Community High School
Channahon · Public high · Grades 9–12
2,918 students
Glenbrook South High School
Glenview · Public high · Grades 9–12
2,923 students
Huntley High School
Huntley · Public high · Grades 9–12
2,804 students
New Trier Township H S Winnetka
Winnetka · Public high · Grades 10–12
2,770 students
Frequently asked questions
Is Oswego High School a good school?
Oswego High School has a Success Index (US) of 52.1 out of 100 (Top 50% of high schools in United States) and ranks #126 of 691 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Oswego High School rank in Illinois?
Oswego High School ranks #126 of 691 high schools in Illinois and #7837 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Oswego High School?
Oswego High School had 2,870 students in 2025.
Is Oswego High School a elementary school or a high school?
Oswego High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Oswego High School?
There are 10 schools within 15 km of Oswego High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.