The best free places to learn, all in one spot.

Every math topic from counting to calculus, with practice and videos. Our go-to.

Playful early math and reading for younger learners (ages 2-8).

A beautiful graphing calculator. Make equations come alive.

Math practice disguised as a game. Kids forget they're studying.

Reading comprehension and grammar, organized by grade.

Thousands of reading passages with questions, by reading level.

Adapts to the reader and builds comprehension at the right level.

Famous actors read picture books aloud. Great for new readers.

Learn English in short daily lessons, from many home languages.

Videos, vocabulary and grammar built for English learners.

Full English courses for adults and older students. No account needed to start.

News and stories read slowly, in clear and simple English.

Interactive science and math simulations from the University of Colorado.

Biology, chemistry, physics and more, explained simply.

Space, games and real NASA science for curious kids.

Animals, nature and the world, packed with photos and facts.

Thousands of children's books in Telugu, Hindi, English and 300+ languages. Made in India.

Borrow millions of books for free from the Internet Archive.

70,000+ classic books you can read or download, no cost.

Children's books from around the world, in many languages.