I recommend Starfall for free, online primary games to teach the alphabet, etc.
Reading Eggs teaches children how to read and work simple math. This is a paid service.
Ron Paul has recently presented Ron Paul Curriculum, which is free through the fifth grade. Tom Woods, Gary North and others have contributed to this educational marvel.
The John Birch Society has introduced Freedom Project Education
For adults, a non-accredited source, teaching Austrian economics, politically incorrect history, logic, etc. is Tom Woods’s Liberty Classroom.
Excellent classes teaching Austrian economics, history, etc. from the Mises Institute