Roncalli High School (Wisconsin)

Roncalli High School is a private, Catholic high school located in Manitowoc, Wisconsin, United States. It is owned by the Diocese of Green Bay. Founded in 1965 by the De La Salle Christian Brothers, Roncalli High School is named for Pope John XXIII (né Angelo Roncalli). It offers a college-prep curriculum. In 2022, the school merged with the Catholic elementary and middle schools, becoming known as Roncalli Catholic Schools.

The school's teams are known as the Jets.

A Fine Arts Center for the visual and performing arts is the newest addition, which includes The Zimmer Auditorium.

Roncalli's educational values are inspired by St. John Baptist de La Salle, St. Francis Of Assisi, St. Edith Stein, and Pope John XXIII.

The school offers AP classes, including AP chemistry, AP physics, AP human biology, AP U.S. history and AP calculus.