Leader skipped lessons on revenue (8)
I believe the answer is:
earnings
'revenue' is the definition.
(I've seen this before)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for earnings that I've seen before include "Money gained in work" , "Moneys received for grannies" , "Moneys brought in for grannies" , "Income from work" , "Wages for grannies" .)