This manual will assist you with implementing the Cottage Acquisition Scales for Listening, Language, and Speech (CASLLS). Content included within the manual include: Components of the CASLLS, How to Read the Scales, How to Mark the Scales, Getting Started, Teaching with the CASLLS, Cognition, Semantics, Syntax and Morphology, Vocal Expression and Speech (Phonology), Pragmatics, References, Appendices, and a Glossary.