The Nike Tournament of Champions is hands down the premier girl's high school basketball event of the year. The 20th Annual Tournament of Champions will be held December 19-22. 2016 in Phoenix, AZ. The event is sanctioned by the Arizona Interscholastic Association (AIA) and the National Federation of High Schools (NFHS). With 86 teams in the lineup, the Nike TOC is sure to bring the desert heat.