Demiwizards? (A Percy Jackson Harry Potter crossover) (wattys 2015)

What happens if Percy, Annabeth, Thalia, and Nico (and maybe a few more) find out they have wizard/witches blood in their veins? They go to hogwarts, of course!!! I DONT OWN NUTIN EXCEPT PLOT :3 Please note that this i started at the beginning of freshman year and my writing sucKed with a capital K. So like, I'm sorr...