letter grade

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Description: 
{{education}} One of the letters ''A'', ''B'', ''C'', ''D'' or ''F'' assigned as an evaluation, with ''A'' the best passing grade, ''D'' the worst passing grade, and ''F'' a failing grade. Passing grades may also carry a plus or minus sign, with an A-minus (''A-'') better than B-plus (''B+'') and so on.
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letter grade
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Wiktionary
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