Lisle High School

Lisle High School, a compact senior high in Lisle, Illinois, part of Lisle CUSD 202, enrolls 447 students, covering grades 9 through 12. Enrollment runs roughly 46% leaner than the state mean of about 834.

Lisle CUSD 202 runs 3 schools in total, collectively educating 1,562 students. Lisle High School is one of those campuses.

On the student-mix side, Lisle High School shows that 54% of students identify as White, with the remaining enrollment distributed across several groups. The remainder comes out to 23% Hispanic, 10% Black, 7% multiracial, 6% Asian. That is visibly less White than the county at large, where the share is closer to 65%.

On the income-and-resources front, The school lists 40 full-time-equivalent teachers, for a student-teacher ratio near 11.2:1. That figure is tighter than the state norm's 13.8:1 average. Around 35% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, Lisle High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 51.2%, the actual is 62.3%, a residual of +11.0 points.

Around the school, DuPage County reports that median household earnings sit near $112,096, 52% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. In all, DuPage County runs 277 public schools (combined enrollment of about 138,557 students), of which Lisle High School is one.

The closest other public school is Lisle Jr High School, roughly 0.7 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Lisle High School comes 6th of 8 in the immediate cluster, behind the nearby-schools average of 65.0%.

Lisle High School operates from a commuter-belt location.

Trend over the last 7 years. Looking back 7 years, enrollment at Lisle High School has edged down 7%, going from 480 students in 2018 to 447 in 2025. Hispanic enrollment moved from 10% to 23% across the same window.

On this page, 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.