| Business | Phone |
| Hart County Academy 186 Nancy Hart School Rd, Hartwell 30643 | (706) 856-7346 |
| Hart County School Supt 284 Campbell Dr, Hartwell 30643 | (706) 376-5141 |
| Hart County Headstart 500 N Richardson St, Hartwell 30643 | (706) 376-9355 |
| Hart County High School 59 Fifth St, Hartwell 30643 | (706) 376-5461 |
| Hart County Special Education 284 Campbell Dr, Hartwell 30643 | (706) 376-4209 |
| Hartwell Elementary School 147 S College Ave, Hartwell 30643 | (706) 376-4425 |
| Hartwell Middle School 176 Powell Rd, Hartwell 30643 | (706) 376-5431 |
| South Hart Elementary School 121 Em Dairy Rd, Hartwell 30643 | (706) 856-7383 |