Charleston High School is a public high school in Charleston, Illinois, United States.
Serving 795 students in grades 9-12, Charleston High School ranks in the top 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 10-14% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 17:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 22% of the student body (majority Black and Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 795 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 22%
- Graduation Rate: 65-69% (Btm 50% in IL)
- Overall Testing Rank: Top 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 35-39% (Top 30%)
- Science Proficiency: 60-64% (Top 30%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Charleston High School's student population of 795 students has stayed relatively flat over five school years.
The teacher population of 48 teachers has grown by 9% over five school years.
Grades Offered
Grades 9-12
Total Students
795 students
Total Classroom Teachers
48 teachers
Colors
Gold, Scarlet
School Calendar
School Rankings
Charleston High School ranks within the top 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Charleston High School is 0.38, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1734 out of 3542 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
10-14%
27%
Reading/Language Arts Test Scores (% Proficient)
35-39%
30%
Science Test Scores (% Proficient)
60-64%
50%
Student-Teacher Ratio
17:1
13:1
American Indian
n/a
n/a
Asian
1%
6%
Hispanic
6%
29%
Black
7%
16%
White
78%
45%
Hawaiian
n/a
n/a
Two or more races
8%
4%
All Ethnic Groups
Graduation Rate
65-69%
87%
Eligible for Free Lunch
28%
43%
Eligible for Reduced Lunch
11%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Charleston High School's ranking?
Charleston High School is ranked #1734 out of 3,542 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Charleston High School often compared to?
Charleston High Schoolis often viewed alongside schools like Mattoon High School, Oakland High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 27% IL state average), while 35-39% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Charleston High School?
The graduation rate of Charleston High School is 65-69%, which is lower than the Illinois state average of 87%.
How many students attend Charleston High School?
795 students attend Charleston High School.
What is the racial composition of the student body?
78% of Charleston High School students are White, 8% of students are Two or more races, 7% of students are Black, 6% of students are Hispanic, and 1% of students are Asian.
What is the student-teacher ratio of Charleston High School?
Charleston High School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.
What grades does Charleston High School offer ?
Charleston High School offers enrollment in grades 9-12
What school district is Charleston High School part of?
Charleston High School is part of Charleston CUSD 1 School District.
School Reviews
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