Located on the fifth floor. This is where the Prefects' Bathroom is, secured with a password only for Prefects.

Located on the fifth floor. It is a branch of magic concerned with the magical properties of numbers. Arithmancy is only available to third years and above, so sign up if you're interested.

Come here to study Magical Law, a good choice if you wish to join the Law department in the Ministry of Magic. It is located on the fifth floor.

If you're in your third year or higher, come and take Ancient Runes on the sixth floor. It is the largely theoretical study of runic scripts.

Mandatory for all first and second year students, come to study Beings Studies, an inclusive class to promote understanding and acceptance. It is located on the sixth floor.

Come and study Wizarding Literature if you're in your third year or higher. It is located on the seventh floor.

Not many know how to get into the office without the password, but this is the Headmistress' office.

This is the Room of Requirement, where anything is possible. If you know where to look, or come across it by accident, you'll spot the door on the seventh floor.