- Enrollment
- 2,870
- Students per teacher
- 16.1:1
- Resource Index
- 47/100
Middle school (grades 6-8) · Oswego, IL
Thompson Jr High School
Federal NCES profile for Thompson Jr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
The verdict
Thompson Jr High School earns 42/100 on the Resource Investment Index, with class sizes larger than 77% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #3 of 3
- middle schools in Oswego · Resource Index
- 42
- Resource Index · Typical
- 15.7:1
- large classes for Illinois
- 832
- students enrolled
Thompson Jr High School has class sizes larger than 77% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Thompson Jr High School ranks #3 of 3 middle schools in Oswego, IL.
School address
NCES CCD universe card
School universe 173027003133 · Oswego, IL Middle · MID · TRAD
832 enr · 15.7:1 · RII 42
Nearest enrollment peer: Oswego High School (2,870 students)
Resource Investment Index #3 of 3 middle schools in Oswego. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Thompson Jr High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Oswego High Sc
Oswego High School
2,870 students
- Oswego East Hi
Oswego East High School
2,758 students
- Traughber Jr H 1,070
Traughber Jr High School
1,070 students
- This school 832
Thompson Jr High School
832 students
- Lakewood Creek 767
Lakewood Creek Elementary
767 students
- Murphy Junior 700
Murphy Junior High School
700 students
What this shows Thompson Jr High School reports 832 students on the CCD universe file.
How Thompson Jr High School compares
Thompson Jr 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 | 15.7:1 | ▲ 12% | 14:1 | 15.7:1 |
| Enrollment | 832 | top 10% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators (what these measure)
Student demographics
Largest group: Hispanic or Latino at 43.3% of enrollment.
Simpson diversity index - at 65.3, Thompson Jr High School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Cusd 308, which includes Thompson Jr High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Thompson Jr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oswego High School | Larger | No free-lunch data | Similar S:T ratio |
| Oswego East High School | Larger | No free-lunch data | Similar S:T ratio |
| Traughber Jr High School | Larger | No free-lunch data | Higher S:T ratio |
| Lakewood Creek Elementary | Similar size | No free-lunch data | Higher S:T ratio |
| Murphy Junior High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Thompson Jr 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
- 16.2:1
- Resource Index
- 44/100
- Enrollment
- 1,070
- Students per teacher
- 17.5:1
- Resource Index
- 51/100
- Enrollment
- 767
- Students per teacher
- 20.2:1
- Resource Index
- 52/100
- Enrollment
- 700
- Students per teacher
- 14.3:1
- Resource Index
- 52/100
Similar middle schools in Oswego
2 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~832 students)
Similar student-teacher ratio (~15.7:1)
Frequently asked questions about Thompson Jr High School
How many students attend Thompson Jr High School?
Thompson Jr High School has 832 students enrolled. It is a middle school in Oswego, IL.
What is the student-teacher ratio at Thompson Jr High School?
The student-teacher ratio at Thompson Jr High School is 15.7:1, which is 12% higher than the Illinois average of 14:1 and 0% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Thompson Jr High School?
The largest demographic group at Thompson Jr High School is Hispanic or Latino at 43.3% of enrollment, in Oswego, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.3/100.
What is the Resource Investment Index for Thompson Jr High School?
Thompson Jr High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thompson Jr High School rank among middle schools in Oswego?
By Resource Investment Index, Thompson Jr High School ranks #3 of 3 middle 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 middle schools in Oswego on the city page.
What other schools are in Cusd 308?
Besides Thompson Jr High School, Cusd 308 also operates Oswego High School (2,870 students), Oswego East High School (2,758 students), and Traughber Jr High School (1,070 students). See the Cusd 308 district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error. Data current as of August 2026.