Different parts of the world, yes. Using wands as a focal point for magic is part of the British tradition. Other cultures use other objects, or nothing at all.
Yes. Well, it isn't a formal arrangement by any means, but I and a relative of mine, Narcissa Black, mean to see to it between us that his education isn't neglected.
Oh, patronage won't be necessary, dear, I'm quite able to fund the venture. Your assistance with locating the books will be far more helpful.