We recently surpassed one billion math problems answered on Khan Academy. I've seen it coming for quite some time, and I still find it somewhat astounding.

Sure, all numbers on the Internet are big. That number simply reflects an unprecedented opportunity to now deliver education at scale.

When you...

It has been two years since we first started working with schools to see how Khan Academy can support teachers and students in the classroom. We started off modestly with three teachers in Los Altos School District (LASD). The initial results were exciting, and the movement quickly picked...

At Khan Academy, we recently launched our inaugural computer science experience. We are pretty excited, and worked hard for the past 10 months to do something innovative. John Resig, who led the project for us, knows a thing or two about thinking out of the box to

When we started building the platform behind the Khan Academy, one of the first things we did was bring in the concept of badges and other game mechanics. The reaction has always been interesting. Most people applaud the effort to make learning engaging and rewarding to young users. Others fear...

We received an email a couple of months ago from a young man named Mark Halberstadt. In true Khan Academy style, he recorded a YouTube video for us to watch.

His story is quite inspirational. Mark is a student who had given up on Math and Science and thought...

There have been many attempts to incorporate technology in the classroom. Since the early '80s, schools have been stocking labs with the latest gadgets. Clearly, the world was changing. We've seen the rise of personal computers, the internet, mobile devices, streaming video, social networking, and tablets. Our educational system must...