An empty room 20' east-west and 30' north-south. The door you entered in is in the west part of the north wall. There are two other doors, one in the middle of the east wall and one in the east part of the south wall. The room contains several wooden desks and chairs and against the west wall is a blackboard.
(A reminder to DarthFerret to check his Duplicate Sealed game with Oversoul)