Thornridge High School is a public four-year high school located in Dolton, Illinois, a suburb about 20 miles south of Chicago. The school is part of Thornton Township High School District 205. Thornridge High School first opened to the public in 1960 after completing construction of the current building. It serves the cities/villages of Dolton, Harvey, South Holland, Phoenix, Burnham, Calumet City, and Markham. From Wikipedia
