
1) Grade aid 2) Grade booster 3) It might turn a B into an A
Found on
https://www.crosswordclues.com/clue/extra-credit

Extra credit is an academic concept, particularly used in American schools. Students are offered the opportunity to undertake optional work, additional to their compulsory school work, in order to gain additional credit that would boost their grades. ==Reasons for extra credit== Teachers employ extra credit for a variety of reasons. For example, i...
Found on
http://en.wikipedia.org/wiki/Extra_credit
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