| Business | Phone |
| Bridges Community Academy 190 Saint Francis Ave, Tiffin 44883 | (419) 455-9295 |
| Calvert High School 152 Madison St, Tiffin 44883 | (419) 447-3844 |
| Clinton Elementary School 2036 E Township Road 122, Tiffin 44883 | (419) 447-8727 |
| Columbian High School 300 S Monroe St, Tiffin 44883 | (419) 447-6331 |
| Hopewell-Loudon School 290 N County Road 7, Tiffin 44883 | (419) 937-2216 |
| Krout Elementary School 20 Glenn St, Tiffin 44883 | (419) 447-2652 |
| Lincoln School 124 Ohio Ave, Tiffin 44883 | (419) 447-8674 |
| Melmore Elementary School 6571 S State Route 100, Tiffin 44883 | (419) 397-2690 |
| Noble Elementary School 130 Minerva St, Tiffin 44883 | (419) 447-1566 |
| Seneca County Board-Education 244 S Washington St, Tiffin 44883 | (419) 447-2927 |
| Seneca County Preschool 75 S Sandusky St, Tiffin 44883 | (419) 448-1620 |
| St Joseph's School 357 S Washington St, Tiffin 44883 | (419) 447-5790 |
| St Mary's School 75 S Sandusky St, Tiffin 44883 | (419) 447-5202 |
| Tiffin Catholic Schools Dev 152 Madison St, Tiffin 44883 | (419) 443-0263 |
| Tiffin City Schools 244 S Monroe St, Tiffin 44883 | (419) 447-2515 |
| Tiffin Middle School 103 Shepherd Dr, Tiffin 44883 | (419) 447-3358 |
| Washington Elementary School 151 Elmer St, Tiffin 44883 | (419) 447-1072 |