The fifth in its series, What Every Principal Should Know About Collaborative Leadership, recognizes that effective headteachers practice and model a collaborative approach to leadership, decision-making, vision, goal-setting, and celebrating success. A headteacher's success depends on building and maintaining collaborative relationships with others both inside and outside of school. In this book, aspiring, new, and experienced headteachers will learn how to engage more fully in collaboration at all levels to ultimately support improved teaching, student achievement, and a cohesive and supportive school culture.