Harrisburg High School

Harrisburg High School, an intimate four-year high school in Harrisburg, Illinois, overseen by Harrisburg CUSD 3, instructs 491 students, covering grades 9 through 12. By comparison, Illinois's public schools average about 834 students each, so Harrisburg High School sits 41% below that benchmark.

Harrisburg CUSD 3 runs 5 schools in total, collectively educating 1,781 students. Harrisburg High School is one of those campuses.

In terms of who attends, Harrisburg High School logs that 78% of the student body identifies as White. Beyond that, the school records 10% multiracial, 6% Hispanic, 5% Black. The wider county runs roughly 92% White, putting the school's mix meaningfully less White than the area baseline.

Looking at the economic backdrop, Staff filings list 39 full-time-equivalent teachers, which works out to roughly 12.5:1 students per teacher. The state averages around 13.8:1, so this campus is tighter than the state norm typical. Around 60% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal.

After controlling for student poverty, Harrisburg High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 36.6%; this one delivers 26.8%.

In the area at large, the surrounding county (Saline County) logs that median household earnings sit near $53,117, roughly 20% of adults have completed at least a four-year degree, and roughly 14% of residents live below the federal poverty line. In all, Saline County runs 15 public schools (combined enrollment of about 3,704 students), of which Harrisburg High School is one.

The closest other public school is West Side Primary School, roughly 0.4 miles away. Within five miles, there are 5 other public schools. On composite proficiency, Harrisburg High School comes 5th of 6 in the immediate cluster, beneath the nearby-schools average of 36.0%.

Geographically, the school is in a town-center area.

Over the past 7-year window. Looking back 7 years, enrollment at Harrisburg High School has edged down 10%, going from 545 students in 2018 to 491 in 2025. The White share of enrollment declined from 86% to 78% over that span. The student-to-teacher ratio tightened from 15.7:1 in 2018 to 12.5:1 today.

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