Content Partners

Tusitawi includes material from the following creators and publishers, used under licence. Learning for Humanity is proud to partner with these companies to achieve our mission of providing access to quality educational materials to students and educators worldwide.

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CK12 Logo
CK-12 Foundation
Eureka Math Logo
Eureka Math
Let's do Math Logo
Let’s Do Math
Khan Academy logo
Khan Academy
Phet Logo
PHET Interactive Simulations
University of Utah logo
Utah Middle School Math Project
text project logo
Digital Public Library of America
CAS Logo
California Academy of Sciences
cemc logo
The Centre for Education in Mathematics and Computing, University of Waterloo
ELL Education Logo
EL Education
Mr. Nussbaum Educational Games
Canadian Council on Rehabilitation and Work
Project WET Foundation
Math Circles
by the University of Waterloo Centre for Education in Mathematics and Computing
STEM Curriculum for K-12

Material in Tusitawi is available under Creative Commons licence, in the public domain, or otherwise openly available for educational use. Learning for Humanity uses material in accordance with the license under which the creators published or released it. If you find material in Tusitawi being used in a manner contrary to the wishes of its rights holders, please contact us immediately at

Upon receiving such notification, we reserve the right to remove content or suspend use while a licence is negotiated.