Donald C Parker Early Educ Center
Machesney Park, IL
Grades PreK to K · 571 students
Public school
Harlem High School
Machesney Park, Illinois · Grades 9 to 12 · Harlem UD 122
Public school
About Harlem High School
Harlem High School is a public school in Machesney Park, Illinois, serving grades 9 through 12. It reported 1,884 students in 2024-25. There are about 14.1 students for every full-time-equivalent teacher (133.2 teachers in all). Federal locale data places it in a suburb of a large metro area, in Winnebago County. It is one of 11 schools in Harlem UD 122 School District. Families comparing options will find 37 other schools within 5 miles.
Open Houses & Tours
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Parent reviews
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School facts
| Address | 9229 N Alpine Rd, Machesney Park, IL 61115 |
|---|---|
| Phone | (815) 654-4511 |
| School district | Harlem UD 122 |
| Grades | 9 to 12 |
| Students (2024-25) | 1,884 |
| Teachers (full-time equivalent, 2024-25) | 133.2 |
| Students per teacher | 14.1 |
| Charter school | No |
| School type | Regular |
| Level | High |
| Locale (NCES) | Suburb, large, Winnebago County |
Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 171824002100). Details may have changed since the survey. Schools can update them by claiming this profile.
Nearby schools
Olson Park Elem SchoolPublic · Grades 1 to 5Machesney Park · 0.5 miWalter Lawson Childrens HomePrivate · Grades K to 12Loves Park, IL · 1 miMachesney Elem SchoolPublic · Grades 1 to 5Machesney Park · 1.2 miRock Cut Elem SchoolPublic · Grades 1 to 5Loves Park, IL · 1.3 miRalston Elem SchoolPublic · Grades 1 to 5Machesney Park · 1.4 miMaple Elem SchoolPublic · Grades 1 to 5Loves Park, IL · 1.5 miDonald C Parker Early Educ CenterPublic · Grades PreK to KMachesney Park · 1.5 miMarquette Elem SchoolPublic · Grades 1 to 3Machesney Park · 1.8 mi
The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.
Frequently asked questions
What grades does Harlem High School serve?
Harlem High School serves grades 9 through 12.
How many students attend Harlem High School?
Harlem High School reported 1,884 students in 2024-25, according to the NCES Common Core of Data.
What is the student-teacher ratio at Harlem High School?
About 14.1 students per full-time-equivalent teacher, based on 1,884 students and 133.2 teachers in federal data.
Is Harlem High School a public or charter school?
Harlem High School is a traditional public (non-charter) school.
What school district is Harlem High School in?
Harlem High School is part of Harlem UD 122 School District. See all schools in this district at https://parentschoolreview.com/districts/il/harlem-ud-122-school-district/
Where is Harlem High School located?
Harlem High School is at 9229 N Alpine Rd, Machesney Park, IL 61115. The phone number is (815) 654-4511.
How many other schools are near Harlem High School?
There are 37 other schools within 5 miles of Harlem High School in our directory.
Is this your school?
Claim this profile for free to correct details, post open houses and tours, and respond to reviews.
ParentSchoolReview is owned and operated by School Success. Disclosure.
Other public and charter schools in Machesney Park
Machesney Elem School
Machesney Park, IL
Grades 1 to 5 · 361 students
Public school
Marquette Elem School
Machesney Park, IL
Grades 1 to 3 · 268 students
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Olson Park Elem School
Machesney Park, IL
Grades 1 to 5 · 294 students
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Ralston Elem School
Machesney Park, IL
Grades 1 to 5 · 232 students
Public school
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