There's this place called Burke Mountain Academy. Check it out here:
http://www.burkemtnacademy.org/
This is what they do for example. They have a full support crew including chef and housekeeper.
http://www.fasterskier.com/training4661.html
I tellya, I would have trouble sending my child here even if I could afford it. Then again, I might think about it if I could afford it. Expensive babysitting for teens if you ask me.