Centripetal Press

This company publishes science text books that are different from most others. The goal of the books is to teach mastery, avoiding the "cram-pass-forget" cycle, and encouraging deeper learning. The prices are fairly reasonable and materials are available in printed or e-book form.


Online, interactive math and science curriculum for jr. high and high school level. Available to homeschoolers at very reasonable prices through the Homeschool Buyers Co-op.

Elemental Science

Science curriculum written by a homeschooling mom/scientist.  Includes experiments and notebooking activities.  There are programs for preschool through high school ages, in all areas of science.  There are even a few online classes.


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