Is There Hogwarts In Heaven?

Lord Voldemort is rising to power for the first time. Mysterious deaths are starting to occur. Yet first years Sirius Black and James Potter along with Remus Lupin and Peter Pettigrew couldn't care less. They're too busy exploring Hogwarts, teasing 'Snivellus' Snape, making the Marauder's Map, and trying to impress Lily Evans, as James is not the only person who has a crush on her.