Non-vegetarian, is it bad for a pupil? (5)
I believe the answer is:
offal
'non-vegetarian is it' is the definition.
I can't judge whether this definition defines the answer.
'bad for a pupil?' is the wordplay.
'bad' becomes 'off' (I've seen this before**).
'for' is a charade indicator (letters next to each other).
'pupil?' becomes 'l'.
'off'+'a'+'l'='OFFAL'
Can you help me to learn more?
(Other definitions for offal that I've seen before include "Internal organs of an animal some find tasty" , "Meat product" , "Refuse - edible entrails of animal" , "Waste of carcase" , "Worthless parts of animal carcass" .)