Cahokia Institute of Technology

CK-12

CK-12

0 CK-12

CK-12 is the only free, web-based application for adapting open source educational material and creating customized textbooks. Their FlexBook® textbooks are unique in that we aim to provide a comprehensive K-12 online curriculum that conforms to curriculum standards.  They develop content for science, technology, engineering, and math (STEM) textbooks.

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