| Abbreviation | Definition |
|---|---|
| PSPA | Parents of Students of Phillips Academy |
| PSPY | Per Student Per Year |
| PSS | Personal Scheduler for Students |
| PSSA | Party for Stressed Students in April |
| PSSA | Political Science Students Association |
| PSSC | Partners for Student Success Conference |
| PSSC | Psychology Student Study Center |
| PSSC | Psychology Student Success Center |
| PSSO | Preservation Studies Student Organization |
| PSSP | Privately Sponsored Students Programmes |
| PSSP | Professional Student Service Personnel |
| PSST | Peer Student Success Team |
| PST | Problem-Solving Test |
| PSUPT | Pochury Students Union Phek Town |
| PTK | Phi Theta Kappa |
| PTLS | Practical Training of Law Students |
| PTR | Point To Remember |
| PTS | parents teachers and students |
| PTSA | Parent Teacher and Student Association |
| PTSA | Parent-Teacher-Student Association |