A new Defense Against the Dark Arts teacher every year, but the classroom remains the same. The room has windows looking out onto the grounds An iron chandelier hangs from the ceiling .

The History of Magic classroom has a blackboard through which Binns enters and exits the room. It also has a window through which Hedwig could enter; the window has thick glass and a narrow ledge Just up the corridor from Binns' classroom, in the direction of the marble staircase, is a window with a view of Hagrid's cabin

McGongall's office is decorated with a lot of tartan plaid. She keeps a tin of biscuits on her desk and usually, the Quidditch Cup on her shelf. Her office has a fireplace with a mantelpiece, and the entrance is evidently within easy walking distance of Myrtle's bathroom The fireplace can be connected to the Floo Network when necessary At least one of her windows overlooks the Quidditch pitch