| Post Falls District, ID (District) |
| Post ISD, TX (District) |
| Postville Comm School District, IA (District) |
| Poteau, OK (District) |
| Poteet ISD, TX (District) |
| Poth ISD, TX (District) |
| Potlatch District, ID (District) |
| Potomac CUSD 10, IL (District) |
| Potomac Elem, MT (District) |
| Potosi R-Iii, MO (District) |
| Potosi School District, WI (District) |
| Potsdam Central School District, NY (District) |
| Pottawatomie County, KS (ISD) |
| Pottawatomie County, OK (ISD) |
| Pottawattamie County, IA (ISD) |
