Serving 328 students in grades 9-12, Sullivan 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 15-19% (which is lower than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 25-29% (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 6% 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: 328 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 6%
- Graduation Rate: 90-94% (Top 30% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 25-29% (Top 50%)
- Science Proficiency: 60-64% (Top 30%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Sullivan High School's student population of 328 students has grown by 7% over five school years.
The teacher population of 22 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
328 students
Gender %
Total Classroom Teachers
22 teachers
Students by Grade
School Rankings
Sullivan High School ranks within the bottom 50% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Sullivan High School is 0.12, 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
#1716 out of 3426 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
(20-21)15-19%
28%
Reading/Language Arts Test Scores (% Proficient)
25-29%
30%
Science Test Scores (% Proficient)
60-64%
50%
Student : Teacher Ratio
15:1
13:1
American Indian
n/a
1%
Asian
n/a
6%
Hispanic
2%
28%
Black
1%
16%
White
94%
45%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
90-94%
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 Sullivan High School's ranking?
Sullivan High School is ranked #1716 out of 3,426 schools, which ranks it among the bottom 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 28% IL state average), while 25-29% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Sullivan High School?
The graduation rate of Sullivan High School is 90-94%, which is higher than the Illinois state average of 87%.
How many students attend Sullivan High School?
328 students attend Sullivan High School.
What is the racial composition of the student body?
94% of Sullivan High School students are White, 3% of students are Two or more races, 2% of students are Hispanic, and 1% of students are Black.
What is the student:teacher ratio of Sullivan High School?
Sullivan High School has a student ration of 15:1, which is higher than the Illinois state average of 13:1.
What grades does Sullivan High School offer ?
Sullivan High School offers enrollment in grades 9-12
What school district is Sullivan High School part of?
Sullivan High School is part of Sullivan CUSD 300 School District.
School Reviews
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