This book explores the learning and teaching of K-12 Chinese language in international schools. The authors of this book are scholars from teaching training institutions and universities, as well as professional frontline teachers. With a combination of the works and insights from both perspectives of theory and practice, the book presents how theories of teaching can be operated in classroom to improve the effectiveness of language teaching. It covers curriculum setting, design of teaching materials, teaching principles, methods, strategies, and evaluation. The book also discusses issues and concepts such as concept-driven learning, identity change and recognition of L1 and L2 Chinese teacher, pinyin teaching, Chinese character teaching, evaluation for learning improvement, and integration of South Asian non-Chinese speaking students into local schools. It emphasizes empirical action research methods. This is a highly informative and carefully presented book, providing high value insights to scholars from university and teacher training institutions and teachers from kindergartens, primary, and secondary schools around the world.