Serving 1,803 students in grades 9-12, Thornton Fractnl So 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 12% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 13% (which is lower 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 94% of the student body (majority Black), which is higher than the Illinois state average of 55% (majority Hispanic and Black).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 1,803 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 94%
- Graduation Rate: 92% (Top 20% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 12% (Btm 50%)
- Reading Proficiency: 13% (Btm 50%)
- Science Proficiency: 36% (Btm 50%)
- Attendance Zone: Thornton Fractional South High School serves the southern part of Lansing, IL, covering an area of approximately 8.8 square miles. Most students typically have a 5-10 minute drive to the school, with the furthest edge of the attendance zone located about 2.6 miles away.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Thornton Fractnl So High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Graduation Rate
School Overview
Thornton Fractnl So High School's student population of 1,803 students has declined by 5% over five school years.
The teacher population of 107 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,803 students
Showing 2016–2025. View full 39-year historical data
Total Classroom Teachers
107 teachers
Showing 2015–2025. View full 39-year historical data
Year Founded
1957
Average Class Size
24 students
School Rankings
Thornton Fractnl So 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 Fractnl So 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
#2644 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Showing 2013–2023. View full 14-year historical data
Math Test Scores (% Proficient)
12%
27%
Showing 2012–2023. View full 14-year historical data
Reading/Language Arts Test Scores (% Proficient)
13%
30%
Showing 2012–2022. View full 13-year historical data
Science Test Scores (% Proficient)
36%
50%
Student-Teacher Ratio
17:1
13:1
Showing 2015–2025. View full 39-year historical data
Asian
1%
6%
Showing 2011–2025. View full 38-year historical data
Hispanic
25%
29%
Showing 2016–2025. View full 38-year historical data
Black
68%
16%
Showing 2016–2025. View full 38-year historical data
White
6%
45%
Showing 2016–2025. View full 38-year historical data
All Ethnic Groups
Showing 2016–2025. View full 38-year historical data
Graduation Rate
92%
87.6%
Chronically Absent Students
(22-23)23.4%
29.7%
Eligible for Free Lunch
52%
43%
Showing 2015–2025. View full 24-year historical data
Eligible for Reduced Lunch
12%
4%
Showing 2010–2025. View full 24-year historical data
School Statewide Testing
School District Name
Sports
Colors
Red, Grey
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Thornton Fractnl So High School's ranking?
Thornton Fractnl So High School is ranked #2644 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Thornton Fractnl So High School often compared to?
Thornton Fractnl So High Schoolis often viewed alongside schools like Thornwood High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
12% of students have achieved math proficiency (compared to the 27% IL state average), while 13% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Thornton Fractnl So High School?
The graduation rate of Thornton Fractnl So High School is 92%, which is higher than the Illinois state average of 87.6%.
How many students attend Thornton Fractnl So High School?
1,803 students attend Thornton Fractnl So High School.
What is the racial composition of the student body?
68% of Thornton Fractnl So High School students are Black, 25% of students are Hispanic, 6% of students are White, and 1% of students are Asian.
What is the student-teacher ratio of Thornton Fractnl So High School?
Thornton Fractnl So High School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.
What grades does Thornton Fractnl So High School offer ?
Thornton Fractnl So High School offers enrollment in grades 9-12
What school district is Thornton Fractnl So High School part of?
Thornton Fractnl So High School is part of Thornton Fractional TWP HSD 215 School District.
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