Over the past decade, the free instructional website Khan Academy has transformed how tens of millions of students across the globe perceive and approach math. Now, it’s pursuing a bigger aim: ...

Continuing its evolution from quirky disruptor of traditional classroom learning to mainstream player aligned with the education establishment, the nonprofit Khan Academy recently unveiled new online ...

In 2006, Sal Khan started making YouTube videos meant to help his nieces with their math homework. Since then, Khan’s video collection has grown into a huge repository of tutorials used in and out of ...