In 2009, Sal Khan walked away from a high-paying job to start a business that had no way of making money. His idea to launch a non-profit teaching platform was ignited five years earlier, when he was ...

San Jose, California: Jesse Roe, a ninth-grade math teacher at a charter school here called Summit, has a peephole into the brains of each of his 38 students. He can see that a girl sitting against ...

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 ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Khan Academy's math lessons ...

Courses are well-designed, and most if not all instructors seem genuinely engaged and concerned with the outcome of the learning process. Courses are organized thoughtfully, with content presented in ...

Tucked away in a high school chemistry classroom in Northern Indiana are pressure gauges intended to teach a fundamental principle of chemistry known as Boyle’s Law. In their place, Hobart High School ...