Educational qualification (7)
(Other definitions for diploma that I've seen before include "Honorific document" , "Academic certificate" , "Course certificate" , "Paper showing examination success" , "Certificate awarded by college for educational attainment" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">educational qualification</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for degree that I've seen before include "Scholastic award for a grade on a scale" , "Not much of a turn" , "Angular unit and college award" , "Comparative amount" , "'Grade, step or award (6)'" .)