The higher you climb, the more you can see, making the upper reaches of the castle the place to find what you are looking for

Sub-boards: Divination Classroom, Arithmancy Classroom, Room of Requirement, Head of Ravenclaw's Office, Ancient Runes Classroom, Music Classroom, Art Classroom, Study Area, The Restricted Section

Find the knowledge you need to master muggles, magic, and time here

Sub-boards: The Library, Clock Tower Entrance, Charms Classroom

The place for portraits, passageways, and Duels!

Sub-board: Duelling Classroom

Houses busy classrooms, offices, and the school's well-used hospital wing

Sub-boards: Head of Hufflepuff's Office, Head of Gryffindor's Office, Hospital Wing, Muggle Studies Classroom, History of Magic Classroom, Defence Against the Dark Arts Classroom

Designed to impress students and visitors alike, everything on this floor was built on a grand scale

Sub-boards: The Grand Staircase, Transfiguration Classroom, The Caretaker's Office, The Great Hall, The Courtyard, The Entrance Hall

Usually only frequented by house elves and Hufflepuffs

Sub-boards: The Boat House, Hufflepuff Common Room, The Kitchens