Articulates the Interconnected Systems Framework (ISF), a proposed and developing interconnection of Positive Behavioral Interventions and Supports (PBIS) and School Mental Health (SMH) systems to improve educational outcomes for all children and youth, especially those with or at risk of developing mental health challenges. Represents a collective effort to further develop the ISF concept and guide the interconnection of PBIS and SMH toward effective multi-tiered mental health promotion for all students, with guidance for this work at school building, district, and state levels.