CK-12 FlexBook 2.0 vs Common Sense Digital Literacy & Well-Being Curriculum

CK-12 FlexBook 2.0 provides customizable digital textbooks for K–12 subjects including science, math, and social studies. Lessons can combine text with PLIX interactives, simulations, adaptive practice, and related learning materials. Adaptive Practice draws questions from a library of more than 150,000 and adjusts selections based on student answers. Teachers can assign lessons, videos, interactives, and practice to whole classes or differentiated groups, then view progress reports. Educators can reorder chapters and edit or add content in customized FlexBooks. The service works in browsers on laptops, desktops, Chromebooks, tablets, and mobile devices, and is listed at free. Standalone Simulations and PLIX Interactives require a tablet-size screen or larger. Users may download PDFs of FlexBooks they create or customize, though interactive content may not render; CK-12-created PDFs are not downloadable. CK-12 says it is still converting all core content to FlexBook 2.0. Listed SSO or LMS partners include Google Classroom, Canvas, Schoology, Kiddom, Clever, and ClassLink.

Common Sense Digital Literacy & Well-Being Curriculum is a free web curriculum for kindergarten through grade 12. It gives teachers a framework for digital literacy and well-being, with standards alignment and teacher tools. The program covers healthy habits, relationships and communication, privacy and safety, cyberbullying and online harm, digital footprint, and information and media literacy. Its offering includes more than 165 updated lessons, described on the About page as 170+ lessons. Lessons combine interactive activities and discussion guides, taking about 20 minutes for K–8 or 40 minutes for grades 9–12. Topics include AI literacy, social media, screen time, deepfakes, consent, and AI hallucinations. Schools may follow a complete grade sequence or select and reorder lessons. A free self-paced implementation course is available for teachers and administrators. Lessons can fit library, media lab, subject, advisory, health, or social-emotional learning programs. The curriculum was founded in 2003 and is headquartered in San Francisco.