Over the past 75 years, the history of Division 16 (School Psychology) has been integral to the science and practice of school psychology. As a constituent body of the American Psychological Association (APA), the division has advocated for role definitions and professional boundaries within APA and has represented the specialty of school psychology within the larger community of psychology. Since the convening of school psychology's Thayer Conference in 1955, the division has remained steadfastly committed to promoting the well-being of children. Toward this end, Division 16 has negotiated entry level debates between APA and the broad specialty of school psychology, sustained partnerships within and among APA and other organizations representing school mental health, elevated the place of technology in the profession of school psychology, and promoted the central importance of cultural competence and diversity within the discipline. The past contributions of Division 16 shape the future of the profession and the division in ways that are consistent with and add to Conoley, Power, and Gutkin's (2020) recommendations for strengthening school psychology's contributions to psychological health promotion and risk reduction in schools.