| Grade | Scale | Scale 2 | Grade Description | US Grade |
|---|---|---|---|---|
| Ex | 90.00 - 100.00 | 10.00 | Excellent | A |
| A+ | 80.00 - 89.00 | 9.00 | Very Good | A |
| A | 70.00 - 79.00 | 8.00 | Good | AB |
| B+ | 60.00 - 69.00 | 7.00 | Reasonably Good | B |
| B | 50.00 - 59.00 | 6.00 | Average | BC |
| C+ | 40.00 - 49.00 | 5.00 | Satisfactory | C |
| C | 30.00 - 39.00 | 4.00 | Marginal | C |
| S | Satisfactory | S | ||
| Re | 0.00 - 29.00 | 0.00 | Reappear | F |
