Houses
Gryffindor 
Values: Bravery, daring, nerve, and chivalry
Colours: Scarlet & Gold
Emblematic Animal: Lion
Head of House: Albus Dumbledore
House Ghost: Nearly Headless Nick
House Founder: Godric Gryffindor
Gryffindor corresponds to the element of fire.
The common room is located in one of the highest towers at Hogwarts, the entrance is situated on the seventh floor in the east wing of the castle, and is guarded by a portrait of The Fat Lady. She permits entrance if given the correct password, which is changed numerous times throughout the school year.
Famous Gryffindors include Albus Dumbledore, Harry Potter, and Minerva McGonagall.
The significant object of Gryffindor is the Sword of Gryffindor.
Their motto is “Forti Animo Estote”.
Slytherin 
Values: Ambition, leadership, self-preservation, cunning
Colours: Emerald Green & Silver
Emblematic Animal: Serpent
Head of House: Horace Slughorn
House Ghost: Bloody Baron
House Founder: Salazar Slytherin
Slytherin corresponds roughly to the element of water.
The Slytherin dormitories and common room are reached through a bare stone wall in the Dungeons. The Slytherin common room lies beneath the Black Lake. It is a long, low underground room with rough stone walls and silver lamps hanging from the ceiling.
Famous Slytherins include Merlin, Tom Riddle, Draco Malfoy, and Dolores Umbridge.
The significant object of Slytherin is Salazar Slytherin’s locket.
Ravenclaw 
Values: Intelligence, knowledge, curiosity, creativity and wit
Colours: Blue & Bronze
Emblematic Animal: Eagle
Head of House: Herbert Beery
House Ghost: Grey Lady
House Founder: Rowena Ravenclaw
Ravenclaw corresponds to the element of air.
The Ravenclaw common room and dormitories are located in a tower on the west side of the castle. Ravenclaw students must answer a riddle instead of giving a password to enter their dormitories. This riddle, however, can be answered by non-Ravenclaws.
Famous Ravenclaws include Luna Lovegood, Gilderoy Lockhart, Ignatia Wildsmith (inventor of Floo powder), and Garrick Ollivander.
The significant object of Ravenclaw is Rowena Ravenclaw’s diadem.
Hufflepuff 
Values: Hard work, dedication, patience, loyalty, and fair play.
Colours: Yellow & Black
Emblematic Animal: Badger
Head of House: Perpetua Fancourt
House Ghost: The Fat Friar
House Founder: Helga Hufflepuff
Hufflepuff corresponds to the element of earth.
The Hufflepuff dormitories and common room are located somewhere in the basement, near the castle’s kitchens. They can be accessed by tapping the barrel two from the bottom, middle of the second row in the rhythm of “Helga Hufflepuff.” It is described as a cozy and welcoming place with yellow hangings, fat armchairs, and underground tunnels that lead to the dormitories, which have perfectly round doors, similar to barrel tops.
Famous Hufflepuffs include Hengist of Woodcroft (founder of Hogsmeade), Newt Scamander (author of Fantastic Beasts and Where to Find Them), and Artemisia Lufkin (first female Minister for Magic).
The significant object of Hufflepuff is Helga Hufflepuff’s Cup.