What is Ilvermorny? Ilvermorny School of Witchcraft and Wizardry is the North American school of magic. You can find out more about Ilvermorny in the writing by J.K. Rowling. Related articles The Patronus test isn't working properly on my device, what should I do? Can I keep my house but change my wand (or vice versa)? Can I change my house? Can I change my Patronus? Can I change my wand?