Letter grades are assigned by the following system for all courses (except certain health science courses) for which students have registered.*
| A | (Excellent) 90-100 |
| B | (Good) 80-89 |
| C | (Average) 70-79 |
| D | (Poor) 60-69 |
| F | (Failure) 0-59 |
| W | Withdrawn prior to mid-term |
| AU | Audit |
| I | Incomplete |