| Abbreviation | Definition |
|---|---|
| PTLS | Parents and Teachers for Lutheran Schools |
| PTLS | Parents and Teachers in Lutheran Schools |
| PTM | Parent Teacher Meeting |
| PTM | Parents Teacher Meeting |
| PTM | Parents Teachers Meadows |
| PTML | Perturbation Theory and Machine Learning |
| PTMO | Parent Teacher Meeting Organiser |
| PTN | Parent Teacher Network |
| PTO | Parent Teacher Organization |
| PTOC | Parent Teacher Organization Committee |
| PTOC | Parent Teacher Organization Council |
| PTOC | Primary Teachers Orientation Course |
| PTP | Parent To Parent |
| PTP | Potomac Theatre Project |
| PTP | Practical Training for Professionals |
| PTP | Professional Teaching Practices |
| PTP | Professional Training Programme |
| PTPO | Parent Teacher Parishioner Organization |
| PTR | Pupil Teacher Ratio |
| PTRB | Perceived Teacher Racial Bias |