| Posen-Robbins ESD 143-5, IL (District) |
| Posey County, IN (ISD) |
| Positive Outcomes Charter School, DE (PSA) |
| Positive Solutions Charter School, TX (PSA) |
| 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) |
