Schools in the USA usually grade students on a scale of 0-100, with different ranges of scores marked as different letters A-F.
Here is how it breaks down:
| Score
out of 0-100 points |
Letter Grade | What it means |
| 0-59 | F | You failed! You had better find a tutor! |
| 60-63 | D- | You just barely passed. Don’t show Mom. |
| 64-66 | D | You still just barely passed. You still don’t want to show Mom. |
| 67-69 | D+ | You did better than fail, but you really should study more! |
| 70-73 | C- | OK, maybe you can show Mom now? |
| 74-76 | C | This is supposed to be an “average” grade. |
| 77-79 | C+ | Better than average! |
| 80-83 | B- | You can definitely show this to your Mom. |
| 84-86 | B | Pretty good. |
| 87-89 | B+ | That’s a nice grade you have there. |
| 90-93 | A- | Mom is going to be proud of you! |
| 94-96 | A | Maybe Mom will buy you something nice to celebrate! |
| 97-100 | A+ | Harvard, here you come! |
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