Because teachers, no matter how kind, no matter how friendly, are sadistic and evil to the core.

Someday, my young friend, you'll find out that girls are actually people too. Just like you and me.

They'll torture you for months before killing you if you run" Otis shrugged, as if this was an everyday occurrence.

She raised a sharp eyebrow at him. "Vlad, no offense, but look at you. If you're not a vampire, you're clearly the most anemic goth I've ever seen."... "We believed you. Because that's what friends do."
pg267 October to Vlad

It's great because this allows them to study with various teachers, which is something they can't do here. They get to have a wide array of ballet classes-classes they wouldn't normally be able to take like classical jazz, Pilates, or character dancing.

A lot of the students are looking forward to coming out and seeing their teachers serve ice cream, and, of course, to eat ice cream and water ice themselves. We sent home two flyers to remind parents about this event, and we've been talking about this event during class.