I think some folks from Best teach there as does Mela. You should be able to get Mela's number through Delray Watersports, the watercraft concession located just north of the kite launch area.
I encourage anyone seeking instruction to interview their prospective instructors. Not all instruction is equal by any means in these early days of the sport. So, shop wisely.
I can still recall stuff that went on in my basic dive course when I was 15. A good instructor can make that kind of impact and critically can help you on your way faster and safer. Some ideas for interview questions appear at:
http://fksa.org/showthread.php?goto=newpost&t=937