Sterling High School

Sterling High School, a mid-sized high school in Sterling, Illinois, run under Sterling CUSD 5, works with 999 students, covering grades 9 through 12.

Sterling CUSD 5 comprises 6 schools with combined enrollment of 3,253 students; Sterling High School is among them.

In terms of who attends, Sterling High School lists that the largest single group is White at 53%, but no single group is in the majority. The remainder comes out to 37% Hispanic, 6% multiracial, 2% Black. The wider county runs roughly 85% White, putting the school's mix noticeably less White than the area baseline.

Looking at school resources, Sterling High School records 57 full-time-equivalent teachers, putting the student-to-teacher ratio at about 17.5:1. Statewide, the average ratio sits near 13.8:1, putting Sterling High School higher than the state norm the norm. About 54% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, Sterling High School tracks the demographic baseline. The model predicts 40.3% given the school's FRL share; actual proficiency is 37.3%.

In the surrounding community, census data for Whiteside County shows the typical household earns roughly $67,500 per year, roughly 21% of adults have completed at least a four-year degree, and roughly 8% of residents live below the federal poverty line. In all, Whiteside County runs 50 public schools (combined enrollment of about 8,445 students), of which Sterling High School is one.

Challand Middle School is the nearest neighboring public school, about 0.2 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Sterling High School. Ranking that nearby cluster on reported proficiency puts Sterling High School at 4th of 7; the average score across the group is 38.8%.

Sterling High School operates from a town-based location.

Five-year trend. Over the past 7-year window, the student count shrank 4%: 1,044 students in 2018 compared to 999 in 2025. Class-load math has narrowed: from 19.7:1 in 2018 to 17.5:1 in 2025.

Inside the community feed, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.