There is a new site for free online math and science classes for grades 6-12, plus some. This site provides open source text and work books, excellent for the homeschooled student.
The site is new, but this video will explain where it is going.
http://www.ck12.org/flexbook/
Introducing CK-12 Foundation's Digital Learning Tools - #2 from CK-12 Foundation on Vimeo.
~posted by Andrea from Notes from a Homeschooling Mom
