| Business | Phone |
| Dorcas Grade School South Mill Creek Rd, Petersburg 26847 | (304) 257-1220 |
| Grant County Board-Education 204 Jefferson Ave, Petersburg 26847 | (304) 257-1011 |
| Head Start Program 2 Hyre Ave, Petersburg 26847 | (304) 257-4853 |
| Petersburg Elementary School 333 Rig St, Petersburg 26847 | (304) 257-1110 |
| Petersburg High School 207 Jefferson Ave, Petersburg 26847 | (304) 257-1444 |
| Petersburg Junior Rotc 206 Jefferson Ave, Petersburg 26847 | (304) 257-9319 |