This publication is a resource book of strategies, activities and projects for the classroom. It aims to introduce important evidence relating to language learning in multilingual contexts and develop the practice of using multilingual approaches in the classroom. It has been especially designed to support teachers who teach English as a subject and for teachers who use English as the medium of instruction (EMI) in classrooms with students in linguistically diverse and often resource-poor communities. Drawing on the authors’ decades of experience, the practical ideas covered here are underpinned by research and evidence from around the world. They have also been piloted with teachers in India, who in turn have tested them in their classrooms and provided useful feedback and ideas.