Built on the Science of Reading, Amplify Core Knowledge Language Arts (CKLA) sequences deep content knowledge with research-based foundational skills. With new digital features and multimedia resources, it’s now more engaging and flexible than ever. Amplify CKLA is a unique core curriculum for grades PreK–5 ELA that’s grounded in the Science of Reading and combines rich, diverse content knowledge in history, science, literature, and the arts with systematic research-based foundational skills instruction. https://amplify.com/programs/amplify-core-knowledge-language-arts/.