This book explores international perspectives on quality improvement within the field of early childhood education and care. Many countries and governments are focusing on preschool quality as a way to improve entrenched inequalities and reduce social disadvantage and segregation: this book draws together various global case studies to showcase how different countries tackle aspects of quality improvement. The concept of quality is understood in different ways both culturally and contextually, and the implementation of measures to improve quality will differ from country to country. The book draws together case studies from numerous contexts to showcase various ways of working with aspects of quality improvement. Sharing important insights into policy and practice, this book guides a shared understanding of the complex nature of quality improvement within early childhood education and care. Susanne Garvis is Professor and Chair of the Department of Education, Swinburne University of Technology, Australia. She is a mixed methods researcher within early childhood education and works within early childhood teacher education and policy development around quality improvement. Hillevi Lenz Taguchi is Professor of Child and Youth Studies and Early Childhood Education, Stockholm University, Sweden. She focuses on praxis-oriented and action research, and has recent experience of leading the first intervention randomized control trial in Swedish preschool using brain-imaging data.