You could also wear a button-down cardigan instead of a vest, especially if you’re not going to be wearing a robe.
Ask any lawyers or academics in your family if they have a robe you could borrow. If so, be careful not to permanently attach a Hogwarts insignia to the robe.
Remember, Hermione has medium-brown hair, so avoid light brown or blonde hair colors.
Avoid any eye makeup if you’re going for young Hermione, but consider filling in your eyebrows to make them bushier.
To use a book bag, stuff the bag almost full of book-sized objects. Real books would be too heavy. Try using small, empty cardboard boxes or square chunks of Styrofoam underneath a few real books that you’ve decorated.
Consider adding embellishments, such as vines, along the end of the wand. Make it reflect Hermione’s character.
