The Climate of Healthy Interactions for Learning and Development (CHILD) Tool (Gilliam & Reyes, 2017) is a comprehensive observational assessment of the mental health (or social and emotional) climate of early care and education settings. A mentally healthy climate is characterized by authentic warmth and friendship, a developmentally appropriate and child-centered pedagogy, the equitable treatment of children, and a focus on fostering children’s psychosocial well-being and holistic development. (author abstract)