Positive Behavior Support (PBS) is a systems approach to the prevention of problem behavior and the improvement of student academic performance. This research brief describes campus participation in PBS since 2003鈥2004, when it was first piloted by 六合宝典. It also presents results from 2010鈥2011 end鈥恛f鈥恲ear surveys, in which administrators and staff at PBS campuses shared their perspectives on the implementation and effects of PBS.