Curriculum & Lesson Plans
High School (9-12)
Online and Blended Learning
Teachers
General Resources
CK-12
08 Jun 2022
The Smarter Way to Learn
CK-12 is an excellent Open Educational Resource (OER) that is free and easy to use. Digital resources include PLIX interactives and simulations, adaptive practices, study guides, and FlexBook digital textbooks. CK-12 FlexBooks are complete online platforms for assembling, authoring, and distributing standards-aligned, interactive, multi-modal educational content.