This book takes up the challenge of examining the thorniest educational issue from a global perspective. It contributes to the evidence-based conversation among policy makers, educators, and researchers around the world about what works to improve the education outcomes and what can make a bigger difference for the education of diverse students. The eleven countries included -- the United Kingdom, Austria, Canada, the United States, South Africa, Ghana, China, Singapore, Malaysia, Australia, and New Zealand are unique, and yet overlap in the sense that they all face similar challenges of...