Sal Khan is a math, science, and history teacher to millions of students, yet none have ever seen his face.
Khan is the voice and brains behind Khan Academy, a free online tutoring site that may have gotten your kid out of an algebra bind with its educational how-to videos. Now Khan Academy is going global. Backed by Google, Gates, and other Internet powerhouses, Sal Khan wants to change education worldwide, and his approach is already being tested in some American schools. Sanjay Gupta reports.
The following script is from "Teacher to the World" which aired on March 11, 2012.
Sanjay Gupta is the correspondent. Denise Schrier Cetta, producer. Matthew Danowski, editor. Take a moment and remember your favorite teacher - now imagine that teacher could reach, not 30 kids in a classroom, but millions of students all over the world. That's exactly what Sal Khan is doing on his website Khan Academy. With its digital lessons and simple exercises, he's determined to transform how we learn at every level. One of his most famous pupils, Bill Gates, says Khan -- this "teacher to the world," is giving us all a glimpse of the future of education.