Khan Academy is expanding its highest-level math content through a new partnership with a prestigious New England boarding school. The plans, announced this week, involve Khan—a popular producer 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 ...

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 ...