Barrington High School

Set in Barrington, Illinois, Barrington High School is a high-enrollment 9-12 campus, operated by Barrington CUSD 220. It educates 2,718 students across grades 9 through 12. Enrollment runs roughly 226% larger than the state mean of about 834.

Barrington High School is one of 12 schools operated by Barrington CUSD 220, a district that caters to 7,936 students overall.

Demographically, Barrington High School records that White students make up the majority at 55%; the rest breaks down as 20% Hispanic, 18% Asian, 4% multiracial, 2% Black.

In terms of school funding signals, On paper, Barrington High School has 168 full-time-equivalent teachers, translating to a class-load average of around 16.2:1. Statewide, the average ratio sits near 13.8:1, putting Barrington High School higher than the state norm the norm.

In the broader community, ACS estimates for Lake County put the typical household earns roughly $110,416 per year, 48% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 6%. Across Lake County's 214 public schools (combined enrollment of about 118,032 students), Barrington High School is one campus in the mix.

The closest other public school is Hough Street Elem School, roughly 0.6 miles away. Within five miles, there are 8 other public schools.

The school occupies a bedroom-community site.

Looking at the recent track record. Over the past 7-year window, the student count fell 8%: 2,953 students in 2018 compared to 2,718 in 2025. White enrollment moved from 66% to 55% across the same window.

On this page, posts here usually surface around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.