This innovative collection explores transnational approaches to bilingual teacher education from different angles, unpacking the challenges and opportunities in contemporary global bilingual programs. The book offers a thorough account of transnational pedagogical research and best practice in bilingual and second language education to advance bilingual and content and language integrated learning (CLIL) teacher education programs across international contexts, including Australia, Mexico, the United States, the United Kingdom, and around Europe. The book offers a window into better understanding issues around research outcomes on bilingual education professional development models adaptable for diverse settings, translanguaging pedagogy, creative and multimodal tools, and methodological strategies. The book also examines the challenges involved in plurilingual classrooms and formal and informal bilingual education in urban and rural areas. Influenced by the demands raised by the pandemic, some chapters discuss integrated frameworks for hybrid language learning in distance education. This volume will be of interest to students and scholars in bilingual teacher education, bilingual and second language education, and CLIL.