| Grade | Scale | US Grade | Notes |
|---|---|---|---|
| A+ | 90.000 - 100.000 | A+ | |
| A | 80.000 - 89.990 | A | |
| B | 70.000 - 79.990 | B | |
| C | 60.000 - 69.990 | C | |
| D | 50.000 - 59.990 | D | |
| F | 0.000 - 49.990 | F | R (Remedial standards-used in elementary schools), or F (Failing standards-used in high schools), 49% and below |