P.S. 19 is out of control! Students at the elementary school are running wild! They're loud, rude, and refuse to follow the rules. Floors are flooded. The cafeteria ceiling is covered with goo. And things are exploding! They'd rather prank their teachers than pay attention and learn. The teachers and staff are at their wit's end. What can they do? They've heard about a new company that provides specially trained substitute teachers, cafeteria workers, and hall monitors to problem schools. Their staff turns out to be a ghastly group of witches, vampires, werewolves, and other assorted ghouls, goblins, and monsters! But as scary as they are, can they really turn the school around?