Enrollment
2,870
Illinois · 2024-25 NCES data
High school (grades 9-12) · Oswego, IL
Oswego High School
Federal NCES profile for Oswego High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173027003132
👥 S:T ratio 35
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 36
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oswego High School earns 60/100 on the Resource Investment Index, with class sizes larger than 83% of Illinois schools. It is also one of the largest schools in Illinois.
- #9 of 12
- public schools in Oswego · Resource Index
- 60
- Resource Index · Higher
- 16.3:1
- large classes for Illinois
- 2,870
- students enrolled
Oswego High School has class sizes larger than 83% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Oswego High School ranks #9 of 12 public schools in Oswego, IL.
School address
Teachers (FTE)
178.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 14:1 Illinois avg
+16% vs state
Student-teacher ratio in context
How Oswego High School compares with Illinois and U.S. medians
What stands out at Oswego High School
Oswego High School is a large high school in Oswego, Illinois, enrolling 2,870 students.
Class loads run somewhat heavier than typical: 16.3:1 puts it in the larger third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 99% of state schools at 2,870 students.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (49%) and Hispanic or Latino (31%), more mixed than most schools in the state (diversity index 65/100).
On the academic-pipeline side it reports 28 Advanced Placement courses.
Counselor coverage runs a bit thin, about 319 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Among Oswego's high schools, it stands alongside Oswego East High School (2,758 students): Oswego High School is larger than that campus by headcount and runs leaner classes (16.3:1 vs 16.7:1).
Cusd 308 also operates Oswego East High School (2,758 students) and Traughber Jr High School (1,070 students) alongside Oswego High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Oswego High School compares
Oswego High School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.3:1 | ▲ 16% | 14:1 | 15.7:1 |
| Enrollment | 2,870 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.3:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
2,870
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.3:1
students per teacher
- 16% above state mean
Top 83% in Illinois - lower ratio than 17% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$16,181
per pupil, district-wide
- below Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors9.0 FTE
Per 319 students, the combined health-and-guidance staffing load for this school.
Discipline context
170
in-school suspensions + 131 out-of-school
Suspension rate: 5.9 per 100 students. Combined in-school and out-of-school rate: 10.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 2,870 Top 1% in Illinois - larger than 99% of 3,845 state schools
Teachers (FTE) 178.0
Students per teacher 16.3:1 +16% vs state
Free-lunch eligible -
NCES ID 173027003132
Student demographics
White 48.8%
Hispanic or Latino 31.4%
African American 11.3%
Two or More 4.5%
Asian 3.7%
American Indian / Alaska Native 0.2%
Largest group: White at 48.8% of enrollment.
Student-body diversity index 64.7/100
Simpson diversity index - at 64.7, Oswego High School is more mixed than the Illinois school average of 38.9.
Programs & staff
AP courses offered 28
Gifted & talented Yes
Counselors (FTE) 9.0
Students per counselor 319:1
Discipline & special education
In-school suspensions 170
Out-of-school suspensions 131
Funding & spending
District-wide per-pupil expenditure for Cusd 308, which includes Oswego High School.
$16,181
Per student
-5%
vs Illinois
Avg $17,042
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 47.8%
State 45.6%
Federal 6.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Oswego High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oswego East High School | Similar size | No free-lunch data | Similar S:T ratio |
| Traughber Jr High School | Smaller | No free-lunch data | Higher S:T ratio |
| Thompson Jr High School | Smaller | No free-lunch data | Similar S:T ratio |
| Lakewood Creek Elementary | Smaller | No free-lunch data | Higher S:T ratio |
| Murphy Junior High School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Oswego High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,758
- Students per teacher
- 16.7:1
- Resource Index
- 44/100
- Enrollment
- 1,070
- Students per teacher
- 18.6:1
- Resource Index
- 50/100
- Enrollment
- 832
- Students per teacher
- 15.8:1
- Resource Index
- 42/100
- Enrollment
- 767
- Students per teacher
- 20.1:1
- Resource Index
- 52/100
- Enrollment
- 700
- Students per teacher
- 14.6:1
- Resource Index
- 52/100
Similar high schools in Oswego
1 comparable high schools (grades 9-12) serving the same city.
Next steps
Verify locally before acting on Oswego High School's federal record.
- Compare Oswego High School against another school. Compare schools
- Cusd 308's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Oswego High School
How many students attend Oswego High School?
Oswego High School has 2,870 students enrolled. It is a high school in Oswego, IL.
What is the student-teacher ratio at Oswego High School?
The student-teacher ratio at Oswego High School is 16.3:1, which is 16% higher than the Illinois average of 14:1 and 4% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Oswego High School?
The largest demographic group at Oswego High School is White at 48.8% of enrollment, in Oswego, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.7/100.
What is the Resource Investment Index for Oswego High School?
Oswego High School has a Resource Investment Index of 60/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Oswego High School rank among public schools in Oswego?
By Resource Investment Index, Oswego High School ranks #9 of 12 public schools in Oswego, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Oswego on the city page.
Is Oswego High School a good school?
Oswego High School earns 60/100 on the Resource Investment Index, with class sizes larger than 83% of Illinois schools. It is also one of the largest schools in Illinois. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Cusd 308?
Besides Oswego High School, Cusd 308 also operates Oswego East High School (2,758 students), Traughber Jr High School (1,070 students), and Thompson Jr High School (832 students). See the Cusd 308 district page for the complete list.