This book provides a comprehensive overview and in-depth analysis of research on psychosocial skills, examining both theory and areas of application. It discusses students’ psychosocial skills both as components of academic success and desired educational outcomes in grades K through 12. The book describes an organizing framework for psychosocial skills and examines a range of specific constructs that includes achievement, motivation, self-efficacy, creativity, emotional intelligence, resilience, and the need for cognition. In addition, it reviews specific school-based interventions and examines issues that concern the malleability of psychosocial skills. It addresses issues relating to the integration of psychosocial skills into school curriculum as well as large-scale assessment policies. Topics featured in this book include: Development of psychosocial skills in grades K-12. Assessment of psychosocial skills. Conscientiousness in education and its relation to meaningful educational outcomes. Creativity in schools, including theory, assessment, and interventions. Academic emotions and their regulation through emotional intelligence. Resilience and school-based programs aimed at enhancing it. Psychosocial Skills and School Systems in the 21st Century is a must-have resource for researchers, graduate students, clinicians, mental health professionals, and policymakers in child and school psychology, educational policy and politics, public health, social work, developmental psychology, and educational psychology.