Is safe? Reviews & Ratings

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

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TheDolphineThu Jan 15 1970
Very helpful site for all your math needs, best site ever!
Excellent site. The teachers in our public education system failed me in mathematics and were failing my son as well. Some kids dont learn as fast as others and they are more than happy to let those kids slip through the cracks. The khan academy has been a god send for my son. The guy actually teaches. Novel concept, I know.
Just an incredible site
One of the five winners of the Google project Highly recommended.
Sal is amazing. I use it all the time!
blackandgoldhwFri Jan 16 1970
Very educational, would recommend all students watch it.
Free knowledge, so come here to learn everyone.
Probably the most innovative site after Google. It contains almost any category that a student would ever need to succeed in school
Awesome website for learning math & science.
smokingplatypusThu Jan 15 1970
Best site on net that aggregates free higher education vids. All individually done by one man. Bravo, cannot recommend enough if you're struggling to learn a collegiate topic.

Safety Rating Breakdown

Good siteOtherSite for kids


95 / 100

Child Safety

95 / 100