Love the school that loves you and if you want to remain no the waitlist please check the waitlist thread linked below, it offers all the information necessary for you to gain a basic understanding of the waitlist, furthermore, it is important to realize that chances of getting off a waitlist for anyone is extremely low.
Waitlist thread: http://talk.collegeconfidential.com/prep-school-admissions/1300302-the-wait-list-p1.html