| Business | Phone |
| Claymont City School Supt Office 201 N 3rd St, Dennison 44621 | (740) 922-5478 |
| Claymont Intermediate School 220 N 3rd St, Dennison 44621 | (740) 922-1901 |
| Claymont Middle School 215 N 3rd St, Dennison 44621 | (740) 922-5241 |
| Park Elementary School 200 Jewett Ave, Dennison 44621 | (740) 922-2930 |
| Immaculate Conception School 100 Sherman St, Dennison 44621 | (740) 922-3539 |