This volume focuses on glocalization in English language teaching and learning, examining the challenges of its implementation. It describes the innovative practices of multilingual TESOL practitioners from various parts of the world, offering nuanced perspectives on how to glocalize teaching methods, curricula, materials, and teacher preparation. The chapters, spanning different levels of education, weave together theory and practice, highlighting strategies to successfully navigate the complex relationships between global demands and local needs in language teaching and learning. This edited book presents empirical research studies, which together provide the evidence-based knowledge necessary to effectively teach linguistically and culturally diverse students. Beyond academic discussion, this book serves as a practical guide for those involved in teacher preparation, offering strategies and practical applications of glocalized approaches to developing programs for pre-service educators. Above all, the book invites all language teaching professionals to embrace glocalization practices in response to the increasingly plurilingual and pluricultural world in which they operate.