Hamilton High School, or HHS, is a public four-year high school located at 1100 Keokuk Street in Hamilton, Illinois, a small city in Hancock County, Illinois, in the Midwestern United States. HHS is part of Hamilton Community Unit School District 328, which serves the communities of Hamilton and Elvaston, and also includes Hamilton Junior High School, and Hamilton Elementary School. The campus is located 35 miles west of Macomb, Illinois, and serves a mixed small city, village, and rural residential community.