Lake Park High School is a four-year public high school occupying two campuses, both located in Roselle, Illinois, a western suburb of Chicago. Freshmen and sophomores attend the East Campus, located near Medinah, and juniors and seniors attend the West Campus. It is part of the Lake Park Community High School District 108. Students from Roselle, Medinah, Bloomingdale, Itasca, Wood Dale, Keeneyville, and Hanover Park attend the school.

Roselle is a suburb of Chicago and is a village located in both DuPage County and Cook in Illinois. Roselle was first incorporated in 1922 as a bedroom community, with its train stop attracting residents commuting to Chicago or nearby suburbs for their jobs. As of the 2020 census, the village's population was 22,897.