I know one such person in real life (not high school, but a college student) and have been watching an amazing success story unfolding literally in front of me. Afraid I may not post more details online without their permission or contact anyone uninvited to tell it in private...and i'd rather let you hear their own voice - here is the link to the essay written by this person, which was read at the recent conference on facilitated communication at Syracuse University and is now published at SU website at
http://soeweb.syr.edu/thefci/9-4god.htm