The following grading system is used to determine course achievement in classes:
| Letter Grade | Grade Points Per Credit | Numeric Grade Equivalent |
| A | 4 points | 93-100 |
| AB | 3.5 points | 88-92 |
| B | 3 points | 83-87 |
| BC | 2.5 points | 78-82 |
| C | 2 points | 70-77 |
| D | 1 point | 60-69 |
| F | 0 point | below 60 |