Thornton Township High School, often simply referred to as Thornton is a public high school founded in 1899, located in Harvey, one of the South Suburbs of the city of Chicago, Illinois, USA. The school is one of three administered by Thornton Township High Schools District 205.
Serving 1,645 students in grades 9-12, Thornton Township 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 4% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 5% (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 97% of the student body (majority Black), which is higher than the Illinois state average of 55% (majority Hispanic and Black).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 1,645 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 97%
- Graduation Rate: 75% (Btm 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 4% (Btm 50%)
- Reading Proficiency: 5% (Btm 50%)
- Science Proficiency: 20% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Thornton Township High School's student population of 1,645 students has stayed relatively flat over five school years.
The teacher population of 119 teachers has declined by 10% over five school years.
Grades Offered
Grades 9-12
Total Students
1,645 students
Gender %
Total Classroom Teachers
119 teachers
Year Founded
1907
Colors
White, Purple
School Calendar
School Motto
Empowering students to achieve their dreams.
School Rankings
Thornton Township 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 Thornton Township High School is 0.48, 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
#3465 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
4%
27%
Reading/Language Arts Test Scores (% Proficient)
5%
30%
Science Test Scores (% Proficient)
20%
50%
Student-Teacher Ratio
14:1
13:1
American Indian
n/a
1%
Asian
1%
6%
Hispanic
29%
28%
Black
66%
16%
White
3%
45%
Hawaiian
n/a
n/a
Two or more races
1%
4%
All Ethnic Groups
Graduation Rate
75%
87%
Eligible for Free Lunch
10%
43%
Eligible for Reduced Lunch (12-13)
6%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Wildcat
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Thornton Township High School's ranking?
Thornton Township High School is ranked #3465 out of 3,542 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?
4% of students have achieved math proficiency (compared to the 27% IL state average), while 5% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Thornton Township High School?
The graduation rate of Thornton Township High School is 75%, which is lower than the Illinois state average of 87%.
How many students attend Thornton Township High School?
1,645 students attend Thornton Township High School.
What is the racial composition of the student body?
66% of Thornton Township High School students are Black, 29% of students are Hispanic, 3% of students are White, 1% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of Thornton Township High School?
Thornton Township High School has a student ration of 14:1, which is higher than the Illinois state average of 13:1.
What grades does Thornton Township High School offer ?
Thornton Township High School offers enrollment in grades 9-12
What school district is Thornton Township High School part of?
Thornton Township High School is part of Thornton Township High School District 205.
School Reviews
Review Thornton Township High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Making the Most of Parent-Teacher Conferences
A practical guide for parents and educators to maximize impact during parent-teacher conferences in 2025
Back-to-School Checklist for ºÚÁÏÍø¹ÙÍø School Parents 2025
Stay prepared for 2025 with this comprehensive back-to-school checklist for public school parents.
Advocating for Your Child in ºÚÁÏÍø¹ÙÍø School (Without Overstepping)
Learn respectful, effective strategies for advocating your child’s needs in public school without undermining teachers or crossing boundaries.
