| Abbreviation | Definition |
|---|---|
| RWP | Research Working Paper |
| RWR | Reading/ Writing/ Research |
| RWS | Radio Wave Study |
| RWTH | Rhenish-Westphalian Technical University |
| RWU | Ravensburg Weingarten University |
| RWU | Real World University |
| RWU | Robert Welch University |
| RWU | Roger Williams University |
| RWUSL | Roger Williams University School of Law |
| RWVL | Robert W. Vaughan Lectureship in Chemical Engineering |
| RWZ | Rheinisch-Westfaelische Zeitschrift |
| RYN | Read Your Notes |
| RYP | Rate Your Professor |
| RZA | RechenZentrum Amaliendorf |
| RZG | RechenZentrum Garching |
| RZR | Beratungszentrum Regensburg |
| S | Satisfactory |
| S | Scholarly |
| S | Student |
| S | Subject Test |