Addison Trail High School

Addison Trail High School (ATHS) is a public four-year high school in Addison, a western suburb of Chicago, Illinois, in DuPage County, United States. It is located approximately half a mile east of Interstate 355 at the intersection of Army Trail Road and Lombard Road in and is part of DuPage High School District 88, which also includes Willowbrook High School. Addison Trail draws its students from Addison and unincorporated areas adjacent to Lombard and Wood Dale.

Addison Trail has roughly 1,900 students in grades 9-12, and 120 (on an FTE basis) teachers. Addison Trail is ranked as the 344th best high school in Illinois.

The population at Addison Trail is 70.0% Hispanic, 22.3% White, 3.8% Asian, 2.0% Black, 0.9% American Indian, Native Alaskan, Native Hawaiian, or Pacific Islander, and 1.0% two or more races.