FunBrain is the #1 site for online educational games for kids of all ages. (math, grammar, science, spelling, history)
Starfall.com has been a free online resource since 2002, teaching millions of children to read and inspiring a love of learning.
A collection of TV channels for children.
Learn with Curious George, everyone's favorite monkey, through educational and free online games, activities, videos, and online books.
IXL is the Web's most comprehensive maths practice site.