Central objective: Mixed-age — practical strategies for early childhood and child care centers managing children of different ages. Supporting elements include contextually related trainings and articles (currently none) and curated resources such as “Guiding Questions for Active Supervision and Safety (Mixed-Ages, Admin)”, “Early Childhood Transitions and Families (Mixed Ages)”, and “Partnering with Families to Support Transitions (Mixed Ages)” plus family engagement and CDA portfolio guides to strengthen supervision, transitions, and family partnerships.