Collinsville High School is a four-year public high school in the Collinsville Community Unit School District 10 in Illinois. In 2011, Collinsville High School had an enrollment of 1,985 students.
Serving 1,966 students in grades 9-12, Collinsville High School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 21% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 15:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 46% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 1,966 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 46%
- Graduation Rate: 88% (Top 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15% (Btm 50%)
- Reading Proficiency: 21% (Btm 50%)
- Science Proficiency: 58% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Collinsville High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Diversity
School Overview
Collinsville High School's student population of 1,966 students has stayed relatively flat over five school years.
The teacher population of 129 teachers has grown by 9% over five school years.
Grades Offered
Grades 9-12
Total Students
1,966 students
Gender %
Total Classroom Teachers
129 teachers
Colors
White, Purple
School Calendar
Last Day of School
Mon. May 25, 2026
School Mascot
Kahoks
School Rankings
Collinsville High School ranks within the bottom 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Collinsville High School is 0.62, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2343 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15%
27%
Reading/Language Arts Test Scores (% Proficient)
21%
30%
Science Test Scores (% Proficient)
58%
50%
Student-Teacher Ratio
15:1
13:1
American Indian
n/a
1%
Asian
n/a
6%
Hispanic
27%
28%
Black
14%
16%
White
54%
45%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Graduation Rate
88%
87%
Eligible for Free Lunch
41%
43%
Eligible for Reduced Lunch
10%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Kahoks
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Collinsville High School's ranking?
Collinsville High School is ranked #2343 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Collinsville High School often compared to?
Collinsville High Schoolis often viewed alongside schools like Edwardsville High School, Triad High School, Granite City High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15% of students have achieved math proficiency (compared to the 27% IL state average), while 21% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Collinsville High School?
The graduation rate of Collinsville High School is 88%, which is higher than the Illinois state average of 87%.
How many students attend Collinsville High School?
1,966 students attend Collinsville High School.
What is the racial composition of the student body?
54% of Collinsville High School students are White, 27% of students are Hispanic, 14% of students are Black, and 5% of students are Two or more races.
What is the student-teacher ratio of Collinsville High School?
Collinsville High School has a student ration of 15:1, which is higher than the Illinois state average of 13:1.
What grades does Collinsville High School offer ?
Collinsville High School offers enrollment in grades 9-12
What school district is Collinsville High School part of?
Collinsville High School is part of Collinsville Community Unit School District 10.
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