| Business | Phone |
| Williamston Community Edctn 201 School St, Williamston 48895 | (517) 655-3530 |
| Williamston Elementary School 350 Highland St, Williamston 48895 | (517) 655-2855 |
| Williamston High School 3939 Vanneter Rd, Williamston 48895 | (517) 655-2142 |
| Williamston Middle School 3845 Vanneter Rd, Williamston 48895 | (517) 655-4668 |
| Williamston Superintendent Ofc 418 Highland St, Williamston 48895 | (517) 655-4361 |
| St Mary's School 220 N Cedar St, Williamston 48895 | (517) 655-4038 |
| Explorer Elementary 416 Highland St, Williamston 48895 | (517) 655-2174 |
| Memorial Lutheran School 2070 E Sherwood Rd, Williamston 48895 | (517) 655-1402 |