| Business | Phone |
| Wild Horse School 412 Rittenour St, Plains 59859 | (406) 826-3085 |
| Camas Prairie Elementary Schl 781 County Road 382, Plains 59859 | (406) 741-2837 |
| Plains Elementary School 412 Rittenour St, Plains 59859 | (406) 826-3642 |
| Plains School District 1 412 Rittenour St, Plains 59859 | (406) 826-3666 |