| Business | Phone |
| Grafton Elementary School 1800 Washington St, Grafton 53024 | (262) 376-5700 |
| Grafton High School 1950 Washington St, Grafton 53024 | (262) 376-5500 |
| Grafton Public School 1900 Washington St, Grafton 53024 | (262) 376-5400 |
| Grafton School Superintendent 1900 Washington St, Grafton 53024 | (262) 376-5440 |
| John Long Middle School 700 Hickory St, Grafton 53024 | (262) 376-5800 |
| Kennedy Elementary School 1629 11th Ave, Grafton 53024 | (262) 376-5650 |
| Woodview Elementary School 600 5th Ave, Grafton 53024 | (262) 376-5750 |
| Our Savior Lutheran School 1332 Arrowhead Rd, Grafton 53024 | (262) 377-7780 |
| St Joseph's Catholic School 1210 16th Ave, Grafton 53024 | (262) 375-6505 |