| Business | Phone |
| Holy Rosary School 716 E Main St, Warrenton 63383 | (636) 456-2882 |
| Warren County Alternative 705 Powell St, Warrenton 63383 | (636) 456-2872 |
| Warren County R-3 School 302 Kuhl Ave, Warrenton 63383 | (636) 456-4311 |
| Warrenton Alternative Schools 519 E Oak St # D, Warrenton 63383 | (636) 456-1341 |
| Warrenton Christian School 806 S State Highway 47, Warrenton 63383 | (636) 456-3358 |