Winnebago High School

Located at 200 E McNair Rd, in Winnebago, Illinois, Winnebago High School is a small senior high that enrolls 422 students (grades 9 through 12), part of Winnebago CUSD 323. Enrollment runs roughly 49% below the state mean of about 834.

Across the 4 schools in Winnebago CUSD 323 (1,267 students total), Winnebago High School accounts for its share of the district's footprint.

In terms of who attends, Winnebago High School shows that the largest single group is White, at 80% of enrollment. The remainder comes out to 11% Hispanic, 5% multiracial, 3% Black. The wider county runs roughly 66% White, putting the school's mix noticeably more White than the area baseline.

On the income-and-resources front, On paper, Winnebago High School has 35 full-time-equivalent teachers, translating to a class-load average of around 12.1:1. That figure is tighter than the state norm's 13.8:1 average. An estimated 28% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Winnebago County (around 61%), the school's rate is noticeably below typical.

On a residual basis (actual vs predicted given the student mix), Winnebago High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 55.5%, the actual is 47.5%, a residual of -8.1 points.

Around the school, community-level numbers for Winnebago County indicate median household income runs about $65,837, roughly 25% of adults have completed at least a four-year degree, and the poverty rate sits near 11%. In all, Winnebago County runs 94 public schools (combined enrollment of about 44,103 students), of which Winnebago High School is one.

Nearest neighbor: Winnebago Middle School, around 0.1 miles off. Within five miles, there are 3 other public schools. On composite proficiency, Winnebago High School comes 1st of 8 in the immediate cluster, higher than the nearby-schools average of 24.8%.

Geographically, the school is in a countryside area.

Five-year trend. Over the past 7-year window, the student count fell 7%: 454 students in 2018 compared to 422 in 2025. Over the same period, the Hispanic share grew from 5% to 11%. Class-load math has pulled in: from 14.2:1 in 2018 to 12.1:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.