Harlem High School
🇺🇸 Official data · 2025Machesney Park, Illinois 61115 · Harlem UD 122
#377 of 691 high schools in Illinois
#12682 of 16,910 nationally
About Harlem High School
Harlem High School is a public high located in Machesney Park, in the Harlem UD 122 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 1,884 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 32.9 out of 100, placing it in the lower 50% of high schools in United States and 377th of 691 ranked high schools in Illinois. Its strongest component is students per teacher (56th percentile), and its weakest is reading proficiency (14th percentile).
Other published figures: enrollment 1,884.
There are 6 schools in Machesney Park; Harlem High School ranks 5th of 6 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)27%
- Reading proficiency (30%)28%
- Community advantage (fewer free/reduced-price lunch) (25%)54.7%
- Students per teacher (15%)14.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Harlem High School by the official sources.
- Enrollment
- 1,884
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 54.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 14.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 28%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 27%
- Share of tested students proficient or above (all students, all grades).
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Schools near Harlem High School
Closest schools by straight-line distance, with their Success Index (US).
Olson Park Elem School
Machesney Park · Public elementary · Grades 1–5
294 students · 834 m away
Machesney Elem School
Machesney Park · Public elementary · Grades 1–5
361 students · 2.0 km away
Rock Cut Elem School
Loves Park · Public elementary · Grades 1–5
261 students · 2.1 km away
Ralston Elem School
Machesney Park · Public elementary · Grades 1–5
232 students · 2.3 km away
Maple Elem School
Loves Park · Public elementary · Grades 1–5
313 students · 2.4 km away
Donald C Parker Early Educ Center
Machesney Park · Public elementary · Grades PK–K
571 students · 2.5 km away
Marquette Elem School
Machesney Park · Public elementary · Grades 1–3
268 students · 2.9 km away
Windsor Elem School
Loves Park · Public elementary · Grades 1–5
315 students · 3.9 km away
Harlem Middle School
Loves Park · Public middle · Grades 6–8
1,330 students · 4.1 km away
Clifford P Carlson Elem School
Rockford · Public elementary · Grades K–5
390 students · 5.5 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Streamwood High School
Streamwood · Public high · Grades 9–12
1,890 students
Proviso West High School
Hillside · Public high · Grades 9–12
1,870 students
Oak Lawn Comm High School
Oak Lawn · Public high · Grades 9–12
1,867 students
St Charles North High School
Saint Charles · Public high · Grades 9–12
1,903 students
Wheaton Warrenville South H S
Wheaton · Public high · Grades 9–12
1,864 students
Wheaton North High School
Wheaton · Public high · Grades 9–12
1,863 students
Frequently asked questions
Is Harlem High School a good school?
Harlem High School has a Success Index (US) of 32.9 out of 100 (Lower 50% of high schools in United States) and ranks #377 of 691 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Harlem High School rank in Illinois?
Harlem High School ranks #377 of 691 high schools in Illinois and #12682 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Harlem High School?
Harlem High School had 1,884 students in 2025.
Is Harlem High School a elementary school or a high school?
Harlem High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Harlem High School?
There are 10 schools within 15 km of Harlem High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.