| Business | Phone |
| Adult Education 301 W Broadway St, Dermott 71638 | (870) 538-1052 |
| Dermott Elementary School Hwy 35 E, Dermott 71638 | (870) 538-1010 |
| Dermott Field House Highway 35 E, Dermott 71638 | (870) 538-1039 |
| Dermott Head Start 721 S Trotter St, Dermott 71638 | (870) 538-5866 |
| Dermott High School 360 Lamar Crook Rd, Dermott 71638 | (870) 538-1030 |
| Dermott Middle School 525 E Speedway St, Dermott 71638 | (870) 538-1020 |
| Dermott Public Schools Supt 525 E Speedway St, Dermott 71638 | (870) 538-1000 |