Stockton High School, or SHS, is a public four-year high school located at 540 North Rush Street in Stockton, Illinois, a village in Jo Daviess County, Illinois, in the Midwestern United States. SHS serves the community and surrounding areas of Stockton. The campus is located 42 miles southeast of Dubuque, Iowa and 51 miles west of Rockford, Illinois, and serves a mixed village and rural residential community.