CK-12 Foundation

3430 W. Bayshore Rd.
Suite 101
Palo Alto, CA 94303

https://www.ck12.org/student/

Promo Video

100% Free, Personalized Learning for Every Student
Create digital classrooms, customize textbooks, and learn K-12 STEM concepts.

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Dist Columbia