Devoted daughter improved paper for university (9)
I believe the answer is:
dedicated
'devoted' is the definition.
(synonyms)
I can't explain the remainder of the clue.
(Other definitions for dedicated that I've seen before include "Devoted to a task or purpose" , "Hard working" , "Devoted to a cause or ideal 99)" , "Committed" , "Consecrated - single-minded" .)