Hopefully these sites can give you more information about scoliosis surgery and help answer some of your questions!
www.iscoliosis.com/- a website just for girls with many accounts of patients' stories, as well as other information about treatment, news articles, and more!
http://www.sdscoliosis.com/ - Get the info on the Scoliosis Association of San Diego (meetings, forums, famous people with scoliosis, etc)! They hold meetings once a month for kids/teens and parents who are dealing with scoliosis, right here in San Diego!