Ever since the Easter holidays began, Albert had been staying at Rose Manor, living in a secluded world of just the two of them with Isobel.
As for why he hadn't stayed in Hogsmeade, the main reason was that as the Secret-Keeper, spending too much time there would easily create safety risks.
Regarding the upcoming N.E.W.T.s, Albert didn't care about them at all. Isobel had experienced them firsthand, and her testing experience could give Albert a great deal of help. Besides, Albert wasn't afraid of exams in the first place; with his level of ability, practical tests would definitely be a breeze. As for the theory exams, he had the skill panel's powerful memory to thank.
Chapter 1010