This book provides a long overdue conceptual framework for integrating evidence-based principles of school psychology leadership across NASP (National Association of School Psychologists) domains of practice. It explicates the myriad ways in which school psychologists can and should serve as leaders across the NASP domains, examines the leadership role of school psychologists within each NASP domain, and presents both historical and contemporary contexts of the domains of practice. Key areas of coverage include: Concrete examples of school psychologists as leaders in the field; Spearheading initiatives and service delivery models involving consultation and collaboration; Academic intervention planning; Behavioral and mental health services; Crisis intervention and prevention; and Consultation, program evaluation, and ethics of professional practice. The book offers a cogent framework for practitioners and trainers of school psychologists to further integrate principles of leadership into their work in the field. The volume culminates with a discussion of the role of school psychologists as advocates for the practice through legislative and social justice policy. This book is an essential resource for researchers, professors, and graduate students as well as professionals in school and clinical child psychology, educational policy and practice, and social work as well as all interrelated disciplines.