Galesburg Senior High School

Located at 1135 W Fremont St, in Galesburg, Illinois, Galesburg Senior High School is a middle-of-the-pack four-year high school that instructs 1,158 students (grades 9 through 12), operated by Galesburg CUSD 205. Compared to the state average of about 834 students per school, that is 39% larger than typical.

Galesburg CUSD 205 runs 7 schools in total, collectively educating 3,863 students. Galesburg Senior High School is one of those campuses.

Demographically, Galesburg Senior High School reports that 60% of the student body identifies as White. The remainder consists of 14% Black, 13% multiracial, 12% Hispanic. That is considerably less White than the county at large, where the share is closer to 82%.

On the resource side, Galesburg Senior High School logs 78 full-time-equivalent teachers, putting the student-to-teacher ratio at about 14.8:1. The state averages around 13.8:1, so this campus is higher than the state norm typical. Roughly 70% of students at Galesburg Senior High School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

With demographic context factored in, Galesburg Senior High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 31.2%, the actual is 31.4%, a residual of +0.2 points.

Zooming out to the county, census data for Knox County shows the typical household earns roughly $57,030 per year, about 21% of the adult population holds a bachelor's degree or above, and roughly 8% of residents live below the federal poverty line. Galesburg Senior High School is one of 26 public schools in Knox County (combined enrollment of about 6,359 students).

Galesburg Jr High School is the nearest neighboring public school, about 0.0 miles from this campus. Within five miles, there are 6 other public schools. Ranking that nearby cluster on reported proficiency puts Galesburg Senior High School at 5th of 8; the average score across the group is 32.8%.

The school occupies a town-center site.

Trend over the last 7 years. Looking back 7 years, enrollment at Galesburg Senior High School has decreased 9%, going from 1,271 students in 2018 to 1,158 in 2025. The White share of enrollment contracted from 66% to 60% over that span.

Within the allk12 community for this school, members of the Galesburg Senior High School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.