Addison Trail High School

Located at 213 N Lombard Rd, in Addison, Illinois, Addison Trail High School is a large senior high that enrolls 1,847 students (grades 9 through 12), operated by DuPage HSD 88. That puts it 121% above the typical public school in Illinois, which averages around 834 students.

Across the 2 schools in DuPage HSD 88 (3,830 students total), Addison Trail High School accounts for its share of the district's footprint.

For racial and ethnic makeup, Addison Trail High School records that 70% of the student body identifies as Hispanic. Beyond that, the school shows 21% White, 4% Asian, 3% Black. By comparison, DuPage County as a whole is about 16% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

In terms of school funding signals, On paper, Addison Trail High School has 113 full-time-equivalent teachers, translating to a class-load average of around 16.4:1. Statewide, the average ratio sits near 13.8:1, putting Addison Trail High School higher than the state norm the norm. Roughly 63% of students at Addison Trail High School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is higher than DuPage County's rate of about 34%.

Adjusting for the school's free-and-reduced-lunch share, Addison Trail High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 35.2%; this one delivers 32.5%.

Around the school, DuPage County reports that median household earnings sit near $112,096, roughly 52% of adults have completed at least a four-year degree, and the poverty rate sits near 5%. In all, DuPage County runs 277 public schools (combined enrollment of about 138,557 students), of which Addison Trail High School is one.

Stone Elem School is the nearest neighboring public school, about 0.3 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), Addison Trail High School ranks 4th on composite proficiency, behind the local average of 32.9%.

The campus sits in a commuter-belt setting.

Five-year trend. Looking back 7 years, enrollment at Addison Trail High School has decreased 6%, going from 1,960 students in 2018 to 1,847 in 2025. Over the same period, the White share edged down from 28% to 21%.

Within the allk12 community for this school, posts here usually surface around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.