This important new book provides the first in-depth, authoritative and balanced examination of the critical issues pervading Social and Emotional Learning (SEL). The book highlights strengths and flaws in SEL theory and research, and sets the agenda for the next generation of inquiry. The book investigates key topics such as: (1) definitions and conceptualization; (2) origins and influences; (3) international policy and practice; (4) assessment and monitoring; (5) implementation; and (6) outcomes. It will be valuable to researchers, policy-makers, students, teachers, and anyone interested in the role of schools play in promoting children's social and emotional wellbeing.