| Business | Phone |
| Celina Administrative Office 585 E Livingston St, Celina 45822 | (419) 586-8301 |
| Celina City Schools 585 E Livingston St # 1, Celina 45822 | (419) 586-8300 |
| Tri Star Career Compact 585 E Livingston St, Celina 45822 | (419) 586-7060 |
| Immaculate Conception School 222 W Wayne St, Celina 45822 | (419) 586-2379 |
| Mercer County Head Start 585 E Livingston St, Celina 45822 | (419) 586-7525 |
| Mercer County Superintendent 441 E Market St, Celina 45822 | (419) 586-6628 |