[Admittedly, Harry had opted to sit out on the whole 'save the magic academy' bit, if for no other reason than he wasn't sure how he felt about the whole 'magic academy' bit. Many people could learn a few spells, but it wasn't for everyone, and not just anyone should be trusted with wielding the fundamental powers of life, the universe, and everything.]

You're...going to reopen the place? Shouldn't we check it out first? Make sure there aren't dangerous and forbidden tomes of arcane knowledge just laying around for any amateur to get their hands on and summon up the next Big Nasty?