Plainfield South High School Administration
| Principal | Dan Goggins | 815/577-5544 |
| Associate Principal | Ken Decker | 815/577-5522 |
| Assistant Principal-Discipline/Building | Andrea McKinsey | 815/577-5535 |
| Assistant Principal-Curriculum & Instruction | 815/577-5577 | |
| Special Education Administrator | Beth Sanna | 815/577-5591 |