This book represents a systematic review of the documented impacts of programs aimed at fostering socio-emotional skills in developed and developing countries. It uses a life-cycle approach to organize the findings from rigorous evaluations of more than 80 programs. This includes programs for toddlers and young children before primary school, programs for students enrolled in formal education, and programs targeted at the out-of-school population. The book develops a conceptual framework that helps to identify the program characteristics and participants' profiles associated with a range of...