Mundelein Cons High School

Mundelein Cons High School is a roomy secondary school in Mundelein, Illinois, overseen by Mundelein Cons HSD 120. The school serves 2,282 students in grades 9 through 12. By comparison, Illinois's public schools average about 834 students each, so Mundelein Cons High School sits 174% above that benchmark.

Mundelein Cons HSD 120 is the operating authority for Mundelein Cons High School, handling staffing, calendars, and reporting to the state department of education.

For racial and ethnic makeup, Mundelein Cons High School logs that 50% of students identify as Hispanic, with the remaining enrollment distributed across several groups; the rest is composed of 38% White, 6% multiracial, 4% Asian, 3% Black. By comparison, Lake County as a whole is about 25% Hispanic, so the school skews meaningfully more Hispanic than its surroundings.

In terms of school funding signals, The school employs 144 full-time-equivalent teachers, for a student-teacher ratio near 15.8:1. That figure is higher than the state norm's 13.8:1 average.

Across the wider county, Lake County reports that the typical household earns roughly $110,416 per year, 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 Mundelein Cons High School is one.

Nearest neighbor: Carl Sandburg Middle School, around 0.4 miles off. Within five miles, there are 8 other public schools.

Mundelein Cons High School operates from a suburban location.

Looking at the recent track record. Looking back 7 years, enrollment at Mundelein Cons High School has ticked up 15%, going from 1,978 students in 2018 to 2,282 in 2025. The Hispanic share of enrollment edged up from 45% to 50% over that span.

In the discussion threads here, the feed for Mundelein Cons High School typically covers fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.