Online Graduate Certificate in Positive Behavior Intervention and Support: RTI for Behavior APPLY NOW 100% Online 9 Credits $567/cr. Application Deadline: August 1 (Fall Semester Start Only) No GRE/GMAT Required About the Program Positive Behavioral Interventions and Supports (PBIS) is an evidence-based, tiered framework for supporting student academic, social-emotional, and behavioral outcomes. It also improves