Chester High School is a public high school in Chester, Illinois, United States.
Serving 331 students in grades 9-12, Chester 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 6-9% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 10-14% (which is lower than the Illinois state average of 30%).
The student:teacher ratio of 14:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 11% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 331 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 11%
- Graduation Rate: 85-89% (Top 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 6-9% (Btm 50%)
- Reading Proficiency: 10-14% (Btm 50%)
- Science Proficiency: 45-49% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Chester High School's student population of 331 students has stayed relatively flat over five school years.
The teacher population of 23 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
331 students
Gender %
Total Classroom Teachers
23 teachers
Year Founded
1905
First Day of School
Fri. Aug 15, 2025
Last Day of School
Mon. May 25, 2026
Campus Size
50
School Motto
Truth and Honor
School Mascot
Wild Boars
School Rankings
Chester 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 Chester High School is 0.20, 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
#2897 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
6-9%
27%
Reading/Language Arts Test Scores (% Proficient)
10-14%
30%
Science Test Scores (% Proficient)
45-49%
50%
Student : Teacher Ratio
14:1
13:1
American Indian
n/a
1%
Asian
n/a
6%
Hispanic
8%
28%
Black
1%
16%
White
89%
45%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Graduation Rate
85-89%
87%
Eligible for Free Lunch
29%
43%
Eligible for Reduced Lunch
7%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Wild Boars
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Chester High School's ranking?
Chester High School is ranked #2897 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Chester High School often compared to?
Chester High Schoolis often viewed alongside schools like Red Bud High School, Steeleville High School, Sparta High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
6-9% of students have achieved math proficiency (compared to the 27% IL state average), while 10-14% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Chester High School?
The graduation rate of Chester High School is 85-89%, which is lower than the Illinois state average of 87%.
How many students attend Chester High School?
331 students attend Chester High School.
What is the racial composition of the student body?
89% of Chester High School students are White, 8% of students are Hispanic, 2% of students are Two or more races, and 1% of students are Black.
What is the student:teacher ratio of Chester High School?
Chester High School has a student ration of 14:1, which is higher than the Illinois state average of 13:1.
What grades does Chester High School offer ?
Chester High School offers enrollment in grades 9-12
What school district is Chester High School part of?
Chester High School is part of Chester CUSD 139 School District.
School Reviews
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