| Cedar Grove-Belgium High School | |
| Coordinates: | 43.5739°N -87.8229°W |
| Location: | 321 North 2nd Street Cedar Grove, Wisconsin 53013 |
| Grades: | 9-12 |
| Enrollment: | 296 (2019-20)[1] |
| Faculty: | 22.20 (FTE) |
| Ratio: | 13.33 |
| Principal: | Josh Ketterhagen |
| Mascot: | Rocket |
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. Their athletic teams are known as the Rockets. The Rockets went to the State Division 5 Football Championship in 2008 and in their 2016 season, and lost 38-35.