| Abbreviation | Definition |
|---|---|
| PTT | Parents and Teachers Together |
| PTT | Primary Teacher Training |
| PTTF | Parents and Teachers of Thorntons Ferry |
| PTTF | Pride in The Tiger Foundation |
| PTTP | Paraprofessional Teacher Training Program |
| PTU | Parent Teacher Unit |
| PTU | Parents and Teachers United |
| PTU | Pearson Teachers Union |
| PTU | Providence Teachers Union |
| PU | Private University |
| PUFE | Phoenix Union Foundation for Education |
| PUKE | Prevention Understanding Knowledge and Education |
| PUKE | Prevention, Understanding, Knowledge, and Education |
| PULER | People United for Law Education and Rehabitilation |
| PULSAR | People Understanding Learning Substance Abuse Recovery |
| PULSAR | People Utilizing The Leadership Of Students At Risk |
| PULSE | Philosophical Urban Learning Service Experiment |
| PULSE | Powering Up Little Singers For Eternity |
| PUMAS | NASAs Practical Uses of Math And Science |
| PUMAS | NASA's Practical Uses of Math And Science |