| Grade | Scale | Grade Description | US Grade | Notes |
|---|---|---|---|---|
| 6.500 - 7.000 | Very Good (Muy Bueno) | A | ||
| 6.000 - 6.490 | A- | |||
| 5.500 - 5.990 | B+ | |||
| 5.000 - 5.490 | Good (Bueno) | B | ||
| 4.500 - 4.990 | B- | |||
| 4.000 - 4.490 | Sufficient (Suficiente) | C | Lowest passing grade | |
| AP | Passed (Aprobado) | S | ||
| 0.000 - 3.990 | Insufficient (Insuficiente) | F |