This session outlines how MTSS implementation at the district, school, and classroom levels increases inclusionary practices. Participants will explore how implementation of integrated systems, collaborative practices, and data-based decisions reduce exclusionary discipline and maximize academic, social-emotional, and behavioral resources. We will crosswalk the MTSS framework and the TIES Center Inclusive Education Roadmap, highlighting sustaining effects of implementation science. We will provide concrete examples of MTSS implementation increasing inclusion from districts participating in the Reduction of Restraint and Elimination of Isolation grant.