What does the cryptic crossword clue "Misfit, say, not to continue to study? (4,2)" mean?

The wordplay uses an anagram. anagram of SAY, + NOT = STAYON The answer is STAYON.

Misfit, say, not to continue to study? (4,2)

Daily Mail Cryptic #17021 | 8 Down | 2023-01-27 flower