Enrollment
894
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Collinsville, IL
Federal NCES profile for Collinsville Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
The verdict
Collinsville Middle School earns 22/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
Collinsville Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Collinsville Middle School ranks #9 of 9 public schools in Collinsville, IL.
NCES ID 171065001279 Verify on NCES CCD record →
Enrollment
894
Illinois · 2024-25 NCES data
Teachers (FTE)
63.0
Federal CCD staff survey
Students per teacher
14.2:1
vs 14:1 Illinois avg
+1% vs state
How Collinsville Middle School compares with Illinois and U.S. medians
Slightly above state median
14.2:1 - 0.2 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Collinsville Middle School is a large middle school in Collinsville, Illinois, enrolling 894 students.
At 14.2:1, 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 92% of state schools at 894 students.
Its Resource Investment Index trails 93% of the 3,845 Illinois schools with a score on record, one of the lower results on this measure.
Its student body is led by White (50%) and Hispanic or Latino (28%), more mixed than most schools in the state (diversity index 65/100).
Counselor access is stretched at roughly 894 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 34.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Collinsville Cusd 10 spends $11,740 per pupil, 31% below the Illinois average, a leaner-resourced district than most.
Collinsville Cusd 10 also operates Collinsville High School (1,956 students) and Dorris Intermediate Sch (871 students) alongside Collinsville 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
Collinsville 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 | 14.2:1 | ▲ 1% | 14:1 | 15.7:1 |
| Enrollment | 894 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 50.0% of enrollment.
Simpson diversity index - at 64.7, Collinsville Middle School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Collinsville Cusd 10, which includes Collinsville 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 |
|---|---|---|---|
| Collinsville High School | Larger | No free-lunch data | Higher S:T ratio |
| Dorris Intermediate Sch | Similar size | No free-lunch data | Similar S:T ratio |
| John a Renfro Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| Maryville Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Kreitner Elem School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Collinsville Middle School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Collinsville 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.
Collinsville Middle School has 894 students enrolled. It is a middle school in Collinsville, IL.
The student-teacher ratio at Collinsville Middle School is 14.2:1, which is 1% higher than the Illinois average of 14:1 and 10% lower than the national average of 15.7:1.
The largest demographic group at Collinsville Middle School is White at 50.0% of enrollment, in Collinsville, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.7/100.
Collinsville Middle School has a Resource Investment Index of 22/100 (lower 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, Collinsville Middle School ranks #9 of 9 public schools in Collinsville, 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 Collinsville on the city page.
Collinsville Middle School earns 22/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools. 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 Collinsville Middle School, Collinsville Cusd 10 also operates Collinsville High School (1,956 students), Dorris Intermediate Sch (871 students), and John a Renfro Elementary School (498 students). See the Collinsville Cusd 10 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, or report a data error. Data current as of June 2026.
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PlainSchools, “Collinsville Middle School, Collinsville IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/collinsville-middle-school-il
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