This site has loads of art projects for kids up to about jr. high age. There are fun videos to show you the process, plus printables to go with them. You can get most of the content for free, but a low subscription price gets you some extra member lessons and no ads.
Online, interactive program for learning music reading and theory.
This non-profit organization offers over 100 free self-paced, online, college level courses.
This online math program is designed to help students with math problems (including dyscalculia.)
This hands-on grammar curriculum includes CD ROMs, teacher manuals, and games for learning gramma
Online, super-hero themed science games for elementary and middle school levels.
This program includes videos, worksheets and quizzes for history learning in jr.