Harlem High School

As a well-populated high school in Machesney Park, Illinois, Harlem High School serves 1,884 students from grades 9 through 12, overseen by Harlem UD 122. By comparison, Illinois's public schools average about 834 students each, so Harlem High School sits 126% above that benchmark.

Harlem UD 122 comprises 11 schools with combined enrollment of 6,108 students; Harlem High School is among them.

On the student-mix side, Harlem High School lists that the largest single group is White, at 65% of enrollment; the rest looks like 17% Hispanic, 9% multiracial, 8% Black. That mix tracks the wider county fairly closely.

In terms of school funding signals, Staff filings list 133 full-time-equivalent teachers, which works out to roughly 14.1:1 students per teacher. The state averages about 13.8:1, putting this campus right in line with peers. About 55% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.

With demographic context factored in, Harlem High School tracks the demographic baseline. The model predicts 40.0% given the school's FRL share; actual proficiency is 30.6%.

In the area at large, Winnebago County reports that the typical household earns roughly $65,837 per year, roughly 25% of adults have completed at least a four-year degree, and roughly 11% of residents live below the federal poverty line. In all, Winnebago County runs 94 public schools (combined enrollment of about 44,103 students), of which Harlem High School is one.

The closest other public school is Olson Park Elem School, roughly 0.5 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Harlem High School ranks 5th on composite proficiency, below the local average of 34.2%.

The campus sits in a bedroom-community setting.

Over the past 7-year window. Over the past 7-year window, the student count ticked up 23%: 1,529 students in 2018 compared to 1,884 in 2025. White enrollment moved from 75% to 65% across the same window.

In the discussion threads here, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.