Middleton High School is a comprehensive public secondary school located in the city of Middleton, Wisconsin. It was established in 1879. Part of the Middleton-Cross Plains School District, the school serves more than 2,000 students in grades 9 to 12 from the Middleton and Cross Plains areas. Middleton High School's mascot is the cardinal. Its athletic teams play at the WIAA Division 1 level in the WIAA Big Eight Conference. In 2014, it was named the #1 Public High School in the state by U.S.