This innovative book offers over 100 engaging and effective activities that busy teachers can use to help students become confident, comfortable, and proficient learners, acquirers, and communicators in new languages. Many activities can be adapted to different languages and levels in secondary-level language courses. Klimas provides readers with ready-to-use templates, editable posters, as well as multimodal communicative activities such as games, storytelling exercises, ideas for centers, and more. There are also pair work and speaking, listening, and reading, as well as drama and video activities to build fluency and encourage risk-taking in the target language. Chock full of low-prep, engaging ideas, Building Proficiency for World Language Learners is an essential tool for world language and ESL teachers.