Serving 978 students in grades 9-12, Thornridge 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 28%). The percentage of students achieving proficiency in reading/language arts is 6% (which is lower than the Illinois state average of 30%).
The student:teacher ratio of 16:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 99% of the student body (majority Black), which is higher than the Illinois state average of 55% (majority Hispanic and Black).
Quick Stats (2025)
Grades: 9-12
Enrollment: 978 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 99%
Graduation Rate
: 71% (Btm 50% in IL)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 6-9% (Btm 50%)
Reading Proficiency
: 6% (Btm 50%)
Science Proficiency
: 12% (Btm 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Thornridge 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 Thornridge High School is 0.19, 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.
What percent of students have achieved state testing proficiency in math and reading?
6-9% of students have achieved math proficiency (compared to the 28% IL state average), while 6% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Thornridge High School?
The graduation rate of Thornridge High School is 71%, which is lower than the Illinois state average of 87%.
How many students attend Thornridge High School?
978 students attend Thornridge High School.
What is the racial composition of the student body?
90% of Thornridge High School students are Black, 7% of students are Hispanic, 2% of students are Two or more races, and 1% of students are White.
What is the student:teacher ratio of Thornridge High School?
Thornridge High School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does Thornridge High School offer ?
Thornridge High School offers enrollment in grades 9-12
What school district is Thornridge High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 978 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 99%
Graduation Rate
: 71% (Btm 50%)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 6-9% (Btm 50%)
Reading Proficiency
: 6% (Btm 50%)
Science Proficiency
: 12% (Btm 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
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