Enrollment
1,364
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Saint Charles, IL
Federal NCES profile for Thompson Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Thompson Middle School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
Thompson Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Thompson Middle School ranks #8 of 13 public schools in Saint Charles, IL.
NCES ID 173717003859 Verify on NCES CCD record →
Enrollment
1,364
Illinois · 2024-25 NCES data
Teachers (FTE)
97.0
Federal CCD staff survey
Students per teacher
13.1:1
vs 14:1 Illinois avg
-6% vs state
How Thompson Middle School compares with Illinois and U.S. medians
At or below state median
13.1:1 - 0.9 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Thompson Middle School is a large middle school in Saint Charles, Illinois, enrolling 1,364 students.
At 13.1:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
By headcount it is one of the larger campuses in Illinois, bigger than 96% of state schools at 1,364 students.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (73%) and Hispanic or Latino (14%) (diversity index 44/100).
Counselor availability sits well past the ASCA benchmark, roughly 341 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 21.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Saint Charles's middle schools, it stands alongside Wredling Middle School (1,289 students): Thompson Middle School is larger than that campus by headcount and runs leaner classes (13.1:1 vs 13.8:1).
St Charles Cusd 303 also operates St Charles East High School (1,930 students) and St Charles North High School (1,903 students) alongside Thompson Middle 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
Thompson Middle 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 | 13.1:1 | ▼ 6% | 14:1 | 15.7:1 |
| Enrollment | 1,364 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 73.1% of enrollment.
Simpson diversity index - at 44.0, Thompson Middle School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for St Charles Cusd 303, which includes Thompson Middle School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| St Charles East High School | Larger | No free-lunch data | Similar S:T ratio |
| St Charles North High School | Larger | No free-lunch data | Similar S:T ratio |
| Wredling Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Wild Rose Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Ferson Creek School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Thompson Middle School's own figures; each column derives from NCES Common Core of Data.
1 comparable middle schools (grades 6-8) serving the same city.
Next steps
Verify locally before acting on Thompson Middle School's federal record.
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.
Thompson Middle School has 1,364 students enrolled. It is a middle school in Saint Charles, IL.
The student-teacher ratio at Thompson Middle School is 13.1:1, which is 6% lower than the Illinois average of 14:1 and 17% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Thompson Middle School is White at 73.1% of enrollment, in Saint Charles, IL.
Thompson Middle School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Thompson Middle School ranks #8 of 13 public schools in Saint Charles, 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 Saint Charles on the city page.
Thompson Middle School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median. 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.
Besides Thompson Middle School, St Charles Cusd 303 also operates St Charles East High School (1,930 students), St Charles North High School (1,903 students), and Wredling Middle School (1,289 students). See the St Charles Cusd 303 district page for the complete list.