| Business | Phone |
| Clairton City School District 501 Waddell Ave, Clairton 15025 | (412) 233-9200 |
| Clairton Elementary School 501 Waddell Ave, Clairton 15025 | (412) 233-6010 |
| Clairton School Superintendent 501 Waddell Ave, Clairton 15025 | (412) 233-4555 |
| Clarion County Head Start Clairton 15025 | (412) 233-9373 |
| Gill Hall Elementary School 829 Gill Hall Rd, Clairton 15025 | (412) 655-4732 |
| Jefferson Elementary School 875 Old Clairton Rd, Clairton 15025 | (412) 655-4163 |
| Mon Valley Secondary School 555 N Lewis Run Rd, Clairton 15025 | (412) 469-2551 |
| St Thomas A Becket School 139 Gill Hall Rd, Clairton 15025 | (412) 653-4322 |
| Thomas Jefferson High School 310 Old Clairton Rd, Clairton 15025 | (412) 655-8610 |
| West Jefferson Hills Schl Dist 835 Old Clairton Rd, Clairton 15025 | (412) 655-8450 |