Harlem High School is a public secondary school and part of the Harlem School District 122 in Machesney Park, Illinois, USA. It has approximately 2,600 students. The freshman campus for 9th grade was closed in 2019; new freshmen are incorporated into the main high school. Its sport teams are named the Harlem Huskies.
Serving 1,947 students in grades 9-12, Harlem 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% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 21% (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 33% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 1,947 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 33%
- Graduation Rate: 80% (Btm 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15% (Btm 50%)
- Reading Proficiency: 21% (Btm 50%)
- Science Proficiency: 60% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Harlem High School's student population of 1,947 students has grown by 26% over five school years.
The teacher population of 138 teachers has grown by 22% over five school years.
Grades Offered
Grades 9-12
Total Students
1,947 students
Gender %
Total Classroom Teachers
138 teachers
Year Founded
1910
Colors
Black, Orange
Last Day of School
Mon. May 25, 2026
School Rankings
Harlem 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 Harlem High School is 0.52, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2343 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15%
27%
Reading/Language Arts Test Scores (% Proficient)
21%
30%
Science Test Scores (% Proficient)
60%
50%
Student-Teacher Ratio
14:1
13:1
American Indian
n/a
n/a
Asian
2%
6%
Hispanic
15%
28%
Black
8%
17%
White
67%
45%
Hawaiian
n/a
n/a
Two or more races
8%
4%
All Ethnic Groups
Graduation Rate
80%
87%
Eligible for Free Lunch
43%
43%
Eligible for Reduced Lunch
13%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Husky
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Harlem High School's ranking?
Harlem High School is ranked #2343 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Harlem High School often compared to?
Harlem High Schoolis often viewed alongside schools like Hononegah Chd High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15% of students have achieved math proficiency (compared to the 27% IL state average), while 21% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Harlem High School?
The graduation rate of Harlem High School is 80%, which is lower than the Illinois state average of 87%.
How many students attend Harlem High School?
1,947 students attend Harlem High School.
What is the racial composition of the student body?
67% of Harlem High School students are White, 15% of students are Hispanic, 8% of students are Black, 8% of students are Two or more races, and 2% of students are Asian.
What is the student-teacher ratio of Harlem High School?
Harlem High School has a student ration of 14:1, which is higher than the Illinois state average of 13:1.
What grades does Harlem High School offer ?
Harlem High School offers enrollment in grades 9-12
What school district is Harlem High School part of?
Harlem High School is part of Harlem Unit School District 122.
School Reviews
1 10/10/2025
I think that my kids should start school later and get out later, starting school so early and getting out early I think it's uncalled for .
5 10/10/2025
Harlem is one of the best schools in our area.
2 10/10/2025
Attended Harlem from 1st grade to high school. Honors/AP classes prepared me well for college (went on to UIUC). Loved most of my teachers.
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