| Business | Phone |
| Marathon Elementary School 100 Spring Valley Dr, Marathon 54448 | (715) 443-2538 |
| Marathon High School 204 East St, Marathon 54448 | (715) 443-2226 |
| Marathon School Superintendent 204 East St, Marathon 54448 | (715) 443-2227 |
| St Mary's School 716 Market St, Marathon 54448 | (715) 443-3430 |