Book excerpt: researchED is an educator-led organization with the goal of bridging the gap between research and practice. This accessible and punchy series, overseen by founder Tom Bennett, tackles the most important topics in education, with a range of experienced contributors exploring the latest evidence and research and how it can apply in a variety of classroom settings. In this edition, Stuart Lock and Tom Rees examine the latest evidence surrounding effective school leadership, editing contributions from a wide range of writers.