Slytherin, Hufflepuff, Ravenclaw, and Gryffindor common rooms are located throughout the castle. The Slytherin common room is in the dungeons, Hufflepuff common room is near the kitchens, Ravenclaw common room is located in the Ravenclaw Tower, and Gryffindor common room is in the Gryffindor Tower. Students should do their best to remember their passwords (or answer their questions, in the case of Ravenclaw students).