Assumption High School is a Roman Catholic high school in Wisconsin Rapids, Wisconsin, in the Diocese of La Crosse.

It is the only high school in the Wisconsin Rapids Area Catholic Schools, which also operates one middle school and three primary/elementary schools.

The Assumption Royals compete in the Central Wisconsin Conference-Small for football and the Marawood Conference for all other athletics.

Assumption is a member of the Wisconsin Interscholastic Athletic Association (WIAA).

This Wisconsin school-related article is a stub.