Course concluder (4)
'course concluder' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for exam that I've seen before include "Oral maybe" , "Scholastic test" , "Important test" , "Written test" , "In brief, a test as in school" .)
(Other definitions for final that I've seen before include "Coming at the end" , "Last in a series of games or contests" , "Like one's journey to cemetery" , "Conclusive" , "Concluding" .)