The educational landscape is ever-evolving, continuously shaped by new insights, perspectives, and beliefs about teaching and learning. This book delves into the complex and dynamic world of teacher beliefs, comprehensively examining how these beliefs influence educational practices and outcomes. Teacher beliefs are the bedrock of educational practice, guiding decisions and actions in the classroom. They encompass views on pedagogy, student capabilities, and the purpose of education itself. Understanding these beliefs is crucial for fostering effective teaching and learning environments. This volume brings together a rich tapestry of research, case studies, and theoretical explorations from a diverse group of scholars and practitioners, each contributing unique insights into the multifaceted nature of teacher beliefs. The chapters in this book cover a broad spectrum of topics, reflecting the diversity and complexity of the field. From integrating formative assessments in blended learning environments to the evolving qualifications of language teachers in the digital age, each chapter provides valuable perspectives and practical implications for educators.