Cedar Grove-Belgium High School is a public high school located in Cedar Grove, Wisconsin, United States.

It serves grades 9-12 and is part of the Cedar Grove-Belgium School District.

Cedar Grove-Belgium High School has 322 students.

Cedar Grove-Belgium High School participates in athletics as a member of the Big East Conference.

The Rockets went to the State Division 5 Football Championship in 2008 and in their 2016 season, and lost 38-35.