Warren Township High School

Warren Township High School operates as a heavily attended 9-12 campus in Gurnee, Illinois, overseen by Warren Twp HSD 121. Current enrollment sits at 3,537 students spanning grades 9 through 12. Enrollment runs roughly 324% above the state mean of about 834.

Warren Township High School sits inside Warren Twp HSD 121, the local public-school operator responsible for the campus.

For racial and ethnic makeup, Warren Township High School records that the largest single group is Hispanic at 39%, but no single group is in the majority. Beyond that, the school logs 32% White, 15% Black, 9% Asian, 3% multiracial. By comparison, Lake County as a whole is about 25% Hispanic, so the school skews considerably more Hispanic than its surroundings.

Looking at the economic backdrop, The school employs 226 full-time-equivalent teachers, for a student-teacher ratio near 15.6:1. That figure is higher than the state norm's 13.8:1 average.

In the surrounding community, Lake County reports that median household income runs about $110,416, 48% of adults hold a bachelor's degree or higher, and the poverty rate sits near 6%. In all, Lake County runs 214 public schools (combined enrollment of about 118,032 students), of which Warren Township High School is one.

The closest other public school is Woodland Middle School, roughly 0.5 miles away. Counting just inside five miles, 8 other public schools cluster around Warren Township High School.

Geographically, the school is in a residential area.

Trend over the last 7 years. Looking back 7 years, enrollment at Warren Township High School has declined 12%, going from 4,026 students in 2018 to 3,537 in 2025. Over the same period, the White share ticked down from 44% to 32%.

On the community side, members of the Warren Township High School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.