From classwork help to crashing a flying car into the Whomping Willow, these offices have held all sorts of discussions.

Please do an inline comment on the office you're in!

McGonagall's office
Gryffindor Head of House // Transfiguration

Sprout's office
Hufflepuff Head of House // Herbology

Flitwick's office
Ravenclaw Head of House // Charms

Snape's office
Slytherin Head of House // Potions