At a glance
Reported students
1,956
NCES CCD 2024–25
Teachers (FTE)
131.5
NCES CCD 2024–25
Student–teacher ratio
14.9:1
Calculated; not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Illinois high enrollment
91st percentile
Compared with 965 same-level schools reporting enrollment.
District median enrollment
378
Collinsville High School: 1,956 reported students.
State peer staffing position
73rd percentile
14.9:1 reported; state peer median 12.6:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 1,921
- Teachers (FTE)
- 116.36
- Student–teacher ratio
- 16.5:1
What the reported data says about Collinsville High School
Collinsville High School is a public high school serving grades 09–12 in Collinsville. It is one of 11 current school records connected to Collinsville CUSD 10. NCES reports 1,956 students for 2024–25.
Among 965 high schools in Illinois with comparable records, this school is larger than the reported median of 254 students. Its enrollment is at approximately the 91st percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 14.9:1, above the Illinois median of 12.6:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (52.6%) and Hispanic or Latino (27.6%). English learners represent 7.8% of enrollment. Students served under IDEA represent 17.9%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports AP student enrollment, computer science. The school reported 23 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking Collinsville High School
- 1How do the reported 14.9:1 student–teacher ratio and 131.5 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3What counseling support is available today? The school reported 7 counselor FTE in 2021–22.
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Enrollment needs
- English learners
- 7.8%
- Students with disabilities
- 17.9%
- Free/reduced-price lunch
- 66.3%
- Lunch program
- Yes under Community Eligibility Option (CEO)
Reported support staff
- Counselors (FTE)
- 7
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 2
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White52.6%
- Hispanic27.6%
- Black13.9%
- Asian0.4%
- American Indian / Alaska Native0.1%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial5.5%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
AP student enrollment
Students enrolled
23 distinct courses reported
Gifted and talented
Not reported as offered
Computer science
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Collinsville CUSD 10
Start with campuses at the same school level or with similar reported enrollment.
Collinsville Middle School
Middle · Grades 07–08
894 reported students
Dorris Intermediate Sch
Middle · Grades 04–06
871 reported students
John A Renfro Elementary School
Elementary · Grades PK–04
498 reported students
Maryville Elem School
Elementary · Grades PK–04
406 reported students
Kreitner Elem School
Elementary · Grades PK–04
378 reported students
Webster Elementary School
Elementary · Grades PK–04
357 reported students
Public schools near Collinsville High School
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Collinsville Area Career Center High · Madison ROE | 11–12 | 0 | 0.1 mi |
| Saint Clair Co Juv Detention Center High · East St Louis SD 189 | 07–12 | 0 | 4.8 mi |
| East St Louis Senior High School High · East St Louis SD 189 | 09–12 | 1,288 | 5.6 mi |
| Gordon Bush Alternative School for Education High · East St Louis SD 189 | 05–12 | 0 | 6.4 mi |
| Lake School High · Granite City CUSD 9 | 05–12 | 0 | 6.8 mi |
| O Fallon High School High · O Fallon Twp HSD 203 | 09–12 | 2,540 | 7.2 mi |
Frequently asked questions about Collinsville High School
What grades does Collinsville High School serve?
Collinsville High School reports grades 09–12 in the NCES 2025–26 preliminary directory. It is classified as a high school in Collinsville CUSD 10.
How many students attend Collinsville High School?
Collinsville High School reported 1,956 students in the NCES 2024–25 membership file. That places it near the 91st percentile among 965 Illinois high schools reporting enrollment. The 2021–22 civil-rights collection recorded 1,921 students.
What is the student–teacher ratio at Collinsville High School?
The calculated ratio is 14.9:1, based on 1,956 students and 131.5 full-time-equivalent classroom teachers in 2024–25. The Illinois median for the same school level is 12.6:1. A ratio is not the same as average class size.
Is Collinsville High School a public, charter, or magnet school?
Collinsville High School is a public school and is not a charter school. Enrollment is generally based on Collinsville CUSD 10 attendance boundaries and transfer rules.
What share of Collinsville High School students qualify for free or reduced-price meals?
66.3% of students were eligible for free or reduced-price lunch in 2024–25. The school participates in community eligibility, which can provide meals to every student and changes how eligibility is reported. This describes the students served and is not a quality measure.
Which school district is Collinsville High School in?
Collinsville High School is part of Collinsville CUSD 10, based in Collinsville, IL, which operates 11 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Collinsville High School?
The closest public schools by straight-line distance include Collinsville Area Career Center (0.1 mi), Saint Clair Co Juv Detention Center (4.8 mi), East St Louis Senior High School (5.6 mi). Distance does not determine eligibility; attendance boundaries and program rules do.