It's the beginning of Harry's fifth year at Hogwarts. After the disastrous ending to the Triwizard's tournament, Harry just wants a peaceful school year. However, Hogwarts is getting its first transfer students in over a century. The transfer students are an odd bunch and seem completely clueless regarding magic. The batfamily, including Dick, Jason, Cass, Tim, and Damian, are entering Hogwarts for the year. Going undercover and leaving their hero identities for a year, the five investigate Hogwarts and look for any dark wizard threats.
Disclaimer: I don't own DC or Harry Potter. Only the original plot and any OCs that may show up are mine.