The period of early childhood sets the stage for how well children view themselves, each other, and their world. Shared positive emotional experiences between caregivers and children serve as building blocks for the development of social and emotional well-being in infants and toddlers. Incorporating the three principles of promotion, prevention, and intervention within a systems framework (child-parent-environment) will enable early childhood practitioners to foster the emotional health and well-being of all children and families, especially those individual children who are more vulnerable due to the presence of multiple risk factors. The primary intent of the authors of this paper is to discuss the importance of attending to the social and emotional well being of very young children as a primary focus of early learning and school success.