Shelbyville High School

As a modestly sized secondary school in Shelbyville, Illinois, Shelbyville High School works with 345 students from grades 9 through 12, run under Shelbyville CUSD 4. That puts it 59% below the typical public school in Illinois, which averages around 834 students.

Shelbyville CUSD 4 comprises 4 schools with combined enrollment of 1,248 students; Shelbyville High School is among them.

On the student-mix side, Shelbyville High School logs that nearly all students (90%) are White. Beyond that, the school lists 3% Black, 3% Hispanic.

Looking at the economic backdrop, On paper, Shelbyville High School has 27 full-time-equivalent teachers, translating to a class-load average of around 12.8:1. The state averages around 13.8:1, so this campus is tighter than the state norm typical. An estimated 38% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

Adjusting for the school's free-and-reduced-lunch share, Shelbyville High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 49.8%; this one delivers 52.2%.

Across the wider county, ACS estimates for Shelby County put the typical household earns roughly $72,095 per year, about 18% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 6%. In all, Shelby County runs 14 public schools (combined enrollment of about 2,922 students), of which Shelbyville High School is one.

The closest other public school is Moulton Elementary School, roughly 0.1 miles away. Counting just inside five miles, 3 other public schools cluster around Shelbyville High School. Ranking that nearby cluster on reported proficiency puts Shelbyville High School at 2nd of 8; the average score across the group is 47.0%.

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

Five-year trend. Looking back 7 years, enrollment at Shelbyville High School has edged up 7%, going from 323 students in 2018 to 345 in 2025. The White share of enrollment ticked down from 98% to 90% over that span.

In the discussion threads here, posts here usually surface around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.