| Scale | US Grade |
|---|---|
| 6,000 - 7,000 | A |
| 5,000 - 5,990 | B |
| 4,000 - 4,990 | C |
| 3,000 - 3,990 | D |
| 1,000 - 2,990 | F |
| 0,000 - 0,990 | F |
| Grade | Scale | Scale 2 | Grade Description | US Grade |
|---|---|---|---|---|
| S | 9,000 - 10,000 | 90,000 - 100,000 | Outstanding (Sobresaliente) | A |
| N | 8,000 - 8,990 | 80,000 - 89,990 | Good (Notable) | B |
| Suf | 7,000 - 7,990 | 70,000 - 79,990 | Sufficient (Suficiente) | C |
| I | 0,000 - 6,990 | 0,000 - 69,990 | Insufficient (Insuficiente) | F |