Khan Academy
Founded in 2008 by Sal Khan, Khan Academy is a nonprofit organization that provides free, world-class education to anyone, anywhere through instructional videos, interactive exercises, and personalized learning tools spanning K–12 subjects, test prep, and beyond.
We may earn a commission if you enroll through our links — at no extra cost to you. It never affects our rankings. How we make money.
- +Completely free official prep in partnership with College Board
- +Accurate test-aligned questions and fundamentals
- +Good for self-paced learners
- −Limited practice tests and depth
- −No live tutoring or personalized support
- −Less engaging video content vs competitors
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