Khan Academy

Khan Academy provides a free world class education for anyone, anywhere.


All of the resources on the Khan Academy site are available to anyone. It does not matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology. The Khan Academy’s materials and resources are available completely free of charge.

Founders:  Salman Khan