Khan Academy
Free education with AI tutor Khanmigo
Visit khanacademy.org ↗External link. Not endorsed — curated for usefulness.
What is Khan Academy?
Khan Academy is a free online learning platform that provides educational content across math, science, history, and other subjects, founded by Sal Khan in 2008. The platform offers thousands of instructional videos, practice exercises, and quizzes designed for learners from elementary school through college preparation, with content accessible to anyone with an internet connection.
The platform's core strength lies in its video library, where complex concepts are broken down into digestible 5-15 minute lessons. Users can progress at their own pace, revisit difficult topics, and track their advancement through dashboards that identify knowledge gaps. Khan Academy also integrates an AI tutor called Khanmigo, which provides personalized feedback on problem-solving, hints when students get stuck, and explanations tailored to individual learning needs. Khanmigo can assist with homework questions, guide learners through step-by-step problem solving, and engage in Socratic questioning to help students develop deeper understanding. The tool supports multiple subjects and grade levels, making it useful for K-12 students, parents seeking supplementary education resources, and adult learners returning to school.
Khan Academy operates on a freemium model with all core content available at no cost, funded by philanthropic donations and grants. Premium features offer ad-free access, offline viewing, and enhanced parent-teacher dashboards, though these remain optional. The platform integrates with learning management systems used by schools and serves millions of learners globally, from individual students to entire school districts implementing it as supplementary curriculum.
Teachers can use Khan Academy to assign specific exercises, monitor student progress, and identify areas requiring additional instruction. The platform's algorithmic approach to recommendation helps learners discover related concepts and prerequisite material they may have missed. Khan Academy