| Business | Phone |
| Hartley Outdoor Education Ctr 12633 Beaver Rd, Saint Charles 48655 | (989) 865-6295 |
| Hartley Outdoor Education Ctr 13240 W Townline Rd, Saint Charles 48655 | (989) 865-6118 |
| Mary Patterson Elementary Schl 801 W Walnut St, Saint Charles 48655 | (989) 865-9210 |
| Thurston Middle School 893 W Walnut St, Saint Charles 48655 | (989) 865-9927 |
| Mina J Miller Elementary Schl 302 Fulton St, Saint Charles 48655 | (989) 865-9981 |