Rammus teaches communication.
Singed teaches chemistry.
Kennen teaches electrostatics.
Twisted Fate: How to play children's card games.
Orianna teaches us how to play with our balls.
Viktor teaches us about glorious evolution, and how it can help us become stronger.
Ahri? A class on seducing people. o_0
Malphite teaches Earth Science. Not the most interesting teacher though, most students sleep through his class.
EDIT: Wait, it was Shaco.
He teaches a course in theatrical comedy.
Gardening with Zyra.
I'm suprised no one has said Head Mistress Fiora yet...
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