| 97–100% | A/A+ | |
| 93–96% | A | |
| 90–92% | A- | |
| 87–89% | B+ | |
| 83–86% | B | |
| 80–82% | B- | |
| 77–79% | C+ | |
| 73–76% | C | |
| 70–72% | C- | |
| 67–69% | D+ | |
| 63–66% | D | |
| 60–62% | D- | |
| <60% | F |
| 97–100% | A/A+ | |
| 93–96% | A | |
| 90–92% | A- | |
| 87–89% | B+ | |
| 83–86% | B | |
| 80–82% | B- | |
| 77–79% | C+ | |
| 73–76% | C | |
| 70–72% | C- | |
| 67–69% | D+ | |
| 63–66% | D | |
| 60–62% | D- | |
| <60% | F |