| Grade | Scale | Scale 2 | Grade Description | US Grade | Notes |
|---|---|---|---|---|---|
| MB | 90,000 - 100,000 | 9,000 - 10,000 | Excellent/Very Good (Excelente/Muy Bien) | A | |
| B | 80,000 - 89,990 | 8,000 - 8,990 | Good (Bien) | B | |
| S | 60,000 - 79,990 | 6,000 - 7,990 | Sufficient (Suficiente) | C | |
| AC | Accredited (Acreditada) | S | |||
| NA | 0,000 - 59,990 | 0,000 - 5,990 | Fail (Reprobado) | F | Usually marked as NA or N/A. |