I'm the entire back row of the class
Would you please stop trying to teach me
I'm past it, advanced Regents smashed it

from Jean Grae – You Don't Like It (So What) Lyrics 1 on Rap Genius

Meaning

Jean reels off a bunch of school-related metaphors in a row here, pointing out that she is as bad-ass as an entire row of mean, surly students who always sat in the back of the classroom. Then she points out that she has long since passed any rap equivalent of the Regents High School Examinations, a serious of mandatory exams in New York State for high school students

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