| Business | Phone |
| Grantsburg Elementary School 475 E James Ave, Grantsburg 54840 | (715) 463-2320 |
| Grantsburg Middle School 500 E James Ave, Grantsburg 54840 | (715) 463-2455 |
| Grantsburg Senior High School 480 E James Ave, Grantsburg 54840 | (715) 463-2531 |
| Nelson Elementary School 11486 State Road 70, Grantsburg 54840 | (715) 689-2421 |