| Business | Phone |
| Iona Academy School 20019 King's Rd, Williamstown K0C 2J0 | (613) 347-3518 |
| Williamstown Public School 19754 County Road 17, Williamstown K0C 2J0 | (613) 347-3461 |
| Charlottenburg-Lancaster High 19743 County Rd 17, Williamstown K0C 2J0 | (613) 347-2441 |