| Grade | Scale | Scale 2 | Grade Description | US Grade |
|---|---|---|---|---|
| O | 9.000 | 85.000 - 100.000 | Outstanding | A+ |
| A+ | 7.000 | 75.000 - 84.990 | Excellent | A |
| A | 6.000 | 65.000 - 74.990 | Very Good | AB |
| B+ | 5.000 | 55.000 - 64.990 | Good | B |
| B | 4.700 | 50.000 - 54.900 | Above Average | BC |
| C | 4.200 | 45.000 - 49.900 | Average | C |
| D | 3.600 | 40.000 - 44.900 | Pass | C |
| S | Satisfactory | S | ||
| F | 0.000 | 0.000 - 39.990 | Fail | F |
| Ab | Absent | - |