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.

[2][3] The campus is located 35 miles west of Macomb, Illinois, and serves a mixed small city, village, and rural residential community.

[4] In 2009 Hamilton Junior/Senior High School made Adequate Yearly Progress, with 58% of high school students meeting standards, on the Prairie State Achievement Examination, a state test that is part of the No Child Left Behind Act.

The HHS mascot is the Titans, with school colors of red, black, and white.

Hamilton co-ops with neighboring Warsaw High School for most athletics, under the team name West Hancock.