This work addresses the critical role contradictions play in shaping educational experiences with a particular focus on STEM education and the integration of digital technologies. The book focuses on the historical evolution of Cultural-Historical Activity Theory (CHAT) and its emphasis on contradictions emerging from the work of Soviet scholars in the early to mid-20th century, notably Lev Vygotsky, who laid the groundwork, and later Alexei Leontiev and Yrjö Engeström, who expanded upon it. It examines how contradictions, rather than being solely seen as disruptive, can be transformative forces that educators can harness to improve teaching and learning. Special attention is given to the tensions between traditional educational practices and the evolving demands of technology-driven learning environments, highlighting how these contradictions impact both educators and students. Drawing on a wide range of theoretical knowledge of contradictions and research projects, this book provides multiple perspectives on contradictions in education. It examines how different elements of the educational system—such as students, teachers, technology, and institutional policies—interact to create tensions that are central to educational development. The book includes detailed case studies, as well as analyses of broader educational trends, offering valuable insights for practitioners, policymakers, and researchers alike, who seek to work with the dynamic, transformative nature of contradictions. Whether you are working in education or conducting research in this field, this book provides a fresh perspective on how contradictions can serve as opportunities for growth and advancement in the classroom and beyond.