“I did not imagine this. I did not imagine, a thing that can reach millions of students…. I imagined myself being some kind of teacher or professor. That was kind of my dream…” Sal Kahn is speaking of a dream come true. His YouTube based Kahn Academy provides education in math and science for beginners through advanced students of all ages – all free.

Kahn’s mission is to provide a free world-class education to anyone anywhere. This video shows how he’s taught millions of lessons and how you can be a student.