Goes to prove it's never too late to learn (7,5)

I believe the answer is:

evening class

I'm a little stuck... Click here to teach me more about this clue!

If this is the answer, I'm afraid I cannot explain it.

(Other definitions for evening class that I've seen before include "Teaching session after teatime" , "After-work education" .)

I've seen this clue in the Evening Standard.

Want a hint initially instead of a full solution? Install my app