Serving 1,868 students in grades 9-12, Thornwood 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 8% (which is lower than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 8% (which is lower than the Illinois state average of 30%).
The student:teacher ratio of 13:1 is equal to the Illinois state level of 13:1.
Minority enrollment is 98% 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: 1,868 students
Student:Teacher Ratio: 13:1
Minority Enrollment: 98%
Graduation Rate
: 81% (Btm 50% in IL)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 8% (Btm 50%)
Reading Proficiency
: 8% (Btm 50%)
Science Proficiency
: 10% (Btm 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Thornwood 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 Thornwood High School is 0.31, 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?
8% of students have achieved math proficiency (compared to the 28% IL state average), while 8% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Thornwood High School?
The graduation rate of Thornwood High School is 81%, which is lower than the Illinois state average of 87%.
How many students attend Thornwood High School?
1,868 students attend Thornwood High School.
What is the racial composition of the student body?
82% of Thornwood High School students are Black, 14% of students are Hispanic, 2% of students are White, and 2% of students are Two or more races.
What is the student:teacher ratio of Thornwood High School?
Thornwood High School has a student ration of 13:1, which is equal to the Illinois state average of 13:1.
What grades does Thornwood High School offer ?
Thornwood High School offers enrollment in grades 9-12
What school district is Thornwood High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 1,868 students
Student:Teacher Ratio: 13:1
Minority Enrollment: 98%
Graduation Rate
: 81% (Btm 50%)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 8% (Btm 50%)
Reading Proficiency
: 8% (Btm 50%)
Science Proficiency
: 10% (Btm 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
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