| Business | Phone |
| Poplar Elementary School 400 4th Ave W, Poplar 59255 | (406) 768-3408 |
| Poplar Middle School 400 4th Ave W, Poplar 59255 | (406) 768-3409 |
| Poplar Public Schools 400 4th Ave W, Poplar 59255 | (406) 768-5288 |
| Poplar School District 9b 400 4th Ave W, Poplar 59255 | (406) 768-3410 |
| Fort Peck Tribe Headstart Po Box 1027, Poplar 59255 | (406) 768-5436 |