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: ...

Students anxious about what the new SAT holds will be able to get their first glimpse at the newly redesigned exam in a series of free practice tests that launched Tuesday by online educational video ...

Most people associate Khan Academy with online videos, and that’s largely what it has been since 2005 when founder and CEO Sal Khan began recording instructional clips from his closet to help his ...