Free

PhET Interactive Simulations (CU Boulder)

“Free online physics, chemistry, biology, earth science and math simulations.”

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Free

Nonprofit learning platform for math, science, reading and more.

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Ages: K-12Link checked Oct 17, 2026

Free + paid membership

“Kids games, movies, books & music for K-5 and above… specializing in reading, phonics & math.”

Free and paid membership content are split. Check the site for what is free.

Ages: K-5Link checked Oct 17, 2026

FreeChristian

“A complete, free online Christian homeschool curriculum.”

Ages: K-8 (check site)Link checked Oct 17, 2026

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