(CBS News) 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 ...
Corrected: An earlier version of this story incorrectly stated the number of registered users of the Khan Academy. It is 137 million users. A bevy of technology and software tools are taking center ...
As a fledgling voice of reform in higher education, Salman Khan is an oddity. He cannot name any higher education accrediting agencies off the top of his head. He advocates for competency-based ...
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