| PIONEER RIDGE MIDDLE SCHOOL | 418 | regular | middle |
| Pioneer School | 73 | regular | other |
| Pioneer School | 261 | regular | elementary |
| Pioneer School | 438 | regular | other |
| Pioneer School | 394 | regular | elementary |
| PIONEER SCHOOL OF THE ARTS | 658 | regular | other |
| Pioneer Secondary Alternative High School | 89 | alternative | high |
| PIONEER SENIOR HIGH SCHOOL | 636 | regular | high |
| Pioneer Springs Community School | 558 | regular | other |
| Pioneer Technical Center | 207 | alternative | other |
| Pioneer Technology & Arts Academy of Arizona | 412 | regular | elementary |
| PIONEER TECHNOLOGY (PTAA) FATE | 344 | regular | other |
| PIONEER TECHNOLOGY (PTAA) GREENVILLE | 794 | regular | other |
| PIONEER TECHNOLOGY (PTAA) MESQUITE | 484 | regular | other |
| PIONEER TECHNOLOGY (PTAA) MESQUITE EL | 212 | regular | elementary |
| PIONEER TECHNOLOGY (PTAA) ROYSE CITY EL | 194 | regular | elementary |
| Pioneer Technology and Arts Academy | 538 | regular | elementary |
| PIONEER TECHNOLOGY AND ARTS ACADEMY NORTH DALLAS | 300 | regular | other |
| PIONEER TRAIL ELEMENTARY | 396 | regular | elementary |
| Pioneer Trail Middle School | 617 | regular | middle |
| Pioneer Valley Chinese Immersion Charter School | 584 | regular | other |
| Pioneer Valley Elementary | 524 | regular | elementary |
| Pioneer Valley High | 3,080 | regular | high |
| Pioneer Valley Performing Arts Charter Public School | 397 | regular | other |
| Pioneer Valley Regional | 239 | regular | other |
| Pioneer Virtual Academy | 119 | regular | other |
| Pioneer Virtual Academy | 15 | regular | elementary |
| Pioneer Work and Learn Center | 15 | alternative | other |
| PIONEER-PLEASANT VALE ES | 262 | regular | other |
| PIONEER-PLEASANT VALE HS | 118 | regular | high |
| PIONEER-PLEASANT VALE JHS | 76 | regular | middle |
| Pipe Creek Elementary School | 363 | regular | other |
| Piper Creek Elementary | 598 | regular | elementary |
| Piper High | 913 | regular | high |
| PIPER HIGH SCHOOL | 2,201 | regular | high |
| Piper Middle | 680 | regular | middle |
| Piper Prairie Elementary | 644 | regular | other |
| Piper School | 292 | regular | elementary |
| Pipestone Elementary | 580 | regular | other |
| PIPESTONE MIDDLE | 244 | regular | middle |
| PIPESTONE SENIOR HIGH | 302 | regular | high |
| PIPKIN MIDDLE | 359 | regular | middle |
| Piqua Central Intermediate School | 714 | regular | elementary |
| Piqua High School | 931 | regular | high |
| Piqua Junior High School | 460 | regular | middle |
| Pirie Elem Fine Arts & Academic C | 216 | regular | other |
| PIRRUNG EL | 407 | regular | other |
| Piru Elementary | 272 | regular | elementary |
| Piscataquis Community Elementary | 264 | regular | other |
| Piscataquis Community Secondary School | 210 | regular | other |
