Enrollment
1,956
Illinois · 2024-25 NCES data
High school (grades 9-12) · Collinsville, IL
Collinsville High School
Federal NCES profile for Collinsville High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171065001278
👥 S:T ratio 35
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 44
📋 Attendance 11
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Collinsville High School earns 44/100 on the Resource Investment Index, with class sizes larger than 81% of Illinois schools. It is also one of the largest schools in Illinois.
- #7 of 9
- public schools in Collinsville · Resource Index
- 44
- Resource Index · Typical
- 16.2:1
- large classes for Illinois
- 1,956
- students enrolled
Collinsville High School has class sizes larger than 81% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Collinsville High School ranks #7 of 9 public schools in Collinsville, IL.
School address
District: Collinsville Cusd 10 · Illinois
NCES ID 171065001278 Verify on NCES CCD record →
Teachers (FTE)
121.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 14:1 Illinois avg
+16% vs state
Student-teacher ratio in context
How Collinsville High School compares with Illinois and U.S. medians
What stands out at Collinsville High School
Collinsville High School is a large high school in Collinsville, Illinois, enrolling 1,956 students.
Class loads run somewhat heavier than typical: 16.2:1 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 98% of state schools at 1,956 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (53%) and Hispanic or Latino (28%), more mixed than most schools in the state (diversity index 63/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor coverage runs a bit thin, about 279 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 35.7% 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.
The federal civil-rights collection also records 18 expulsions at this campus for 2021-22.
Collinsville Cusd 10 also operates Collinsville Middle School (894 students) and Dorris Intermediate Sch (871 students) alongside Collinsville 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 Collinsville High School compares
Collinsville 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 | 16.2:1 | ▲ 16% | 14:1 | 15.7:1 |
| Enrollment | 1,956 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
1,956
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.2:1
students per teacher
- 16% above state mean
Top 81% in Illinois - lower ratio than 19% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
35.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,740
per pupil, district-wide
- below Illinois avg of $17,042
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors7.0 FTE
Per 279 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 202 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 10.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 18 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 52.6%
Hispanic or Latino 27.6%
African American 13.9%
Two or More 5.5%
Asian 0.4%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 52.6% of enrollment.
Student-body diversity index 62.5/100
Simpson diversity index - at 62.5, Collinsville High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 23
Funding & spending
District-wide per-pupil expenditure for Collinsville Cusd 10, which includes Collinsville High School.
$11,740
Per student
-31%
vs Illinois
Avg $17,042
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 46.5%
State 40.3%
Federal 13.2%
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 Collinsville High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Collinsville Middle School | Smaller | No free-lunch data | Lower S:T ratio |
| Dorris Intermediate Sch | Smaller | No free-lunch data | Lower S:T ratio |
| John a Renfro Elementary School | Smaller | No free-lunch data | Lower S:T ratio |
| Maryville Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Kreitner Elem School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Collinsville High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 894
- Students per teacher
- 14.2:1
- Resource Index
- 22/100
- Enrollment
- 871
- Students per teacher
- 14:1
- Resource Index
- 32/100
- Enrollment
- 498
- Students per teacher
- 14.2:1
- Resource Index
- 41/100
- Enrollment
- 406
- Students per teacher
- 16.9:1
- Resource Index
- 41/100
- Enrollment
- 378
- Students per teacher
- 12.6:1
- Resource Index
- 46/100
Similar high schools statewide
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.
Similar enrollment (~1,956 students)
Next steps
Verify locally before acting on Collinsville High School's federal record.
- Compare Collinsville High School against another school. Compare schools
- Collinsville Cusd 10'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 Collinsville High School
How many students attend Collinsville High School?
Collinsville High School has 1,956 students enrolled. It is a high school in Collinsville, IL.
What is the student-teacher ratio at Collinsville High School?
The student-teacher ratio at Collinsville High School is 16.2:1, which is 16% higher than the Illinois average of 14:1 and 3% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Collinsville High School?
The largest demographic group at Collinsville High School is White at 52.6% of enrollment, in Collinsville, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.5/100.
What is the Resource Investment Index for Collinsville High School?
Collinsville High School has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Collinsville High School rank among public schools in Collinsville?
By Resource Investment Index, Collinsville High School ranks #7 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.
Is Collinsville High School a good school?
Collinsville High School earns 44/100 on the Resource Investment Index, with class sizes larger than 81% 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 Collinsville Cusd 10?
Besides Collinsville High School, Collinsville Cusd 10 also operates Collinsville Middle School (894 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.
Related tools
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.