Notre Dame Catholic Elementary School in rural northeast Iowa currently has no framework or plan in place to support students in behavioral success. This school improvement plan outlines steps to be taken toward the implementation of Positive Behavioral Interventions and Supports (PBIS) as a framework for behavioral supports to meet the needs of all students. The plan outlines implementation for the first year of PBIS at Notre Dame focusing on Schoolwide Tier 1 supports. The unique needs of Notre Dame are accounted for in steps to address staff buy-in and misconceptions. Steps taken during implementation include the PBIS Self-Assessment Survey (SAS), PBIS training, establishing a PBIS team, creating a data collection plan, finding consensus on common language and expectations, explicitly teaching common expectations to students, plans for positive reinforcement of the expectations, and plans for staff accountability and fidelity.