| Business | Phone |
| Edgefield County Parenting 117 Cardinal Dr, Johnston 29832 | (803) 275-4158 |
| Jet Middle School 1095 Columbia Rd, Johnston 29832 | (803) 275-1759 |
| Johnston Elementary School 514 Lee St, Johnston 29832 | (803) 275-1755 |
| Strom Thurmond High School Highway 23, Johnston 29832 | (803) 275-1768 |