| Maple River Senior High School | |
| Address: | 101 6th Street NE |
| City: | Mapleton |
| State: | Minnesota |
| Zipcode: | 56065 |
| Country: | United States |
| Principal: | Ted Simon |
| Grades: | 5-12 |
| Enrollment: | 495 (2022-23)[1] |
| Teaching Staff: | 27.20 |
| Ratio: | 18.20 |
| Nickname: | Eagles |
| Colors: | Blue, green, white and silver [2] |
Maple River Senior High School is a high school in Mapleton, Minnesota, United States. The school's mascot is an eagle and the school is a member of the Minnesota State High School League.[3]