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 …

Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.

Learn how to program drawings, animations, and games using JavaScript and the Processing library, and explore the technologies behind the web as you design webpages with HTML and …

Learn fifth grade math—arithmetic with fractions and decimals, volume, unit conversion, graphing points, and more. This course is aligned with Common Core standards.

Learn how to code computer programs, how to design algorithms that make computers more efficient, and discover what a career in computing could look like.

Learn statistics and probability—everything you'd want to know about descriptive and inferential statistics.

Regardless of who you are, mastering even just one more skill on Khan Academy results in learning gains.

Learn how to use SQL to store, query, and manipulate data. SQL is a special-purpose programming language designed for managing data in a relational database, used by …

So we can give you the right tools, let us know if you're a... Are you an admin? Learn more about our district offerings!

Explore comprehensive Algebra 1 lessons, interactive exercises, and videos to master algebra concepts and enhance problem-solving skills on Khan Academy.