William Horlick High School (also known as Horlick or Racine Horlick High School) is a comprehensive public four-year high school in Racine, Wisconsin with an enrollment of approximately 2,000 students. The school opened to students in 1928, after William Horlick, the original patent holder for malted milk, donated the land the school was built on. It was designed by Racine architect J. Mandor Matson.