He was just trying to help his teenage cousin with her algebra from across the country. "It could do that forever because this stuff doesn't grow old.Like a lot of great innovators, Salman Khan didn't set out to change the world. "This is reaching 100,000 students a month right now but it could reach 100 million students a month," says Khan. One third of the site's traffic comes from outside North America, mainly from the developing world.īut who knows what the classroom of our children's grandchildren looks like? With it already reaching more students a week than the Open University has had in its entire history, the idea has caught on worldwide. I'm more of a support person for the students, guiding them, helping them figure out what direction they should be going in." "It's not me driving the class, telling everybody where to go next. "It's very different from a traditional classroom," says Kallie Berg, maths teacher at Unity High School. Salman Khan says his cousins like him better on YouTube than in real lifeĪt Oakland Unity High School, one of the schools trialling the technology, it has already seen a 42% boost in maths test scores.
Just over two years on, with over 600 videos watched a minute, over 160 million lessons delivered and over 3,200 videos online, the site is still growing. Let's try this out for a year, we have a little bit of savings." "Whatever Khan Academy was, at the time, it was one guy in a closet, so I took a leap of faith," he says. The videos took on a life of their own so he began spending his spare time uploading them to YouTube from his office - a converted closet - but it wasn't until 2009 that he quit his day job as a hedge fund analyst. "I said: 'No, no, YouTube is for cats playing piano, it's not for serious math' but I gave it a shot," "It was actually a buddy who said: 'Why don't you YouTube so you can scale yourself up some more?' "I ended up tutoring 15 to 20 family members," he says. MIT and Harvard educated Khan began producing videos in 2004 to help his cousins with maths problems.īut the word got around.
Khan started the business in a converted closet in his own home
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