| Business | Phone |
| Calvary Christian School 4345 Inn St, Triangle 22172 | (703) 221-2016 |
| Graham Park Middle School 3613 Graham Park Rd, Triangle 22172 | (703) 221-2118 |
| Non Public Educational Svc Inc 18825 Fuller Heights Rd, Triangle 22172 | (703) 221-2062 |
| St Francis Of Assisi School 18825 Fuller Heights Rd, Triangle 22172 | (703) 221-3868 |
| Triangle Elementary School 3615 Lions Field Rd, Triangle 22172 | (703) 221-4114 |