Academic grading in the United States - Wikipedia
https://en.wikipedia.org/wiki/Academic_grading_in_the_United_States
WEBIn the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be …
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