There are a variety of classes taught at Hogwarts School of Witchcraft and Wizardry. These include both the core curriculum and the electives, available from third year forward. In the fifth year, students take the Ordinary Wizarding Level exams to determine whether they can achieve a score to continue to Nastily Exhausting Wizarding Test levels of the class in the upcoming year. Some classes, including the core classes, may be dropped in sixth year. Some students may apply for Time-Turners to take more classes than possible to fit in the timetables, but they may have a choice to drop courses if they become a burden, aside from the essential classes.

All first-years at Hogwarts must take seven subjects: Transfiguration, Charms, Potions, History of Magic, Defence Against the Dark Arts, Astronomy and Herbology. Flying lessons (on broomsticks) are also compulsory.

At the end of their second year at Hogwarts, students are required to choose a minimum of two additional subjects from the following list: Arithmancy, Muggle Studies, Divination, Study of Ancient Runes and Care of Magical Creatures.

Very specialised subjects such as Alchemy are sometimes offered in the final two years, if there is sufficient demand.

Core classes

• Astronomy
• Charms
• Dark Arts (1997-1998 school year only)
• Defence Against the Dark Arts
• Flying (first years only)
• Herbology
• History of Magic
• Potions
• Transfiguration

Electives (third years and up)

• Study of Ancient Runes
• Arithmancy
• Muggle Studies (Core class in the 1997–1998 school year)
• Care of Magical Creatures
• Divination
• Apparition (Sixth year, those of age only)
• Alchemy (Sixth and seventh years, only if sufficient demand)

Extra-curricular subjects

• Ancient Studies
• Art
• Earth Magic
• Muggle Art
• Music
• Muggle Music
• Ghoul Studies
• Magical Theory
• Xylomancy
• Frog Choir
• Hogwarts orchestra

Appearances

• Harry Potter and the Philosopher's Stone (First appearance)
• Harry Potter and the Philosopher's Stone (film)
• Harry Potter and the Philosopher's Stone (video game)
• Harry Potter and the Chamber of Secrets
• Harry Potter and the Chamber of Secrets (film)
• Harry Potter and the Chamber of Secrets (video game)
• Harry Potter and the Prisoner of Azkaban
• Harry Potter and the Prisoner of Azkaban (film)
• Harry Potter and the Prisoner of Azkaban (video game)
• Harry Potter and the Goblet of Fire
• Harry Potter and the Goblet of Fire (film)
• Harry Potter and the Goblet of Fire (video game)
• Harry Potter and the Order of the Phoenix
• Harry Potter and the Order of the Phoenix (film)
• Harry Potter and the Order of the Phoenix (video game)
• Harry Potter and the Half-Blood Prince
• Harry Potter and the Half-Blood Prince (film)
• Harry Potter and the Half-Blood Prince (video game)
• Harry Potter and the Deathly Hallows (Mentioned only) (Possible appearance)
• Harry Potter and the Deathly Hallows: Part 1 (Mentioned only)
• Harry Potter and the Deathly Hallows: Part 1 (video game) (Mentioned only)
• Harry Potter and the Deathly Hallows: Part 2 (Possible appearance)
• Harry Potter and the Deathly Hallows: Part 2 (video game) (Possible appearance)
• LEGO Harry Potter: Years 1-4
• Pottermore