For those who use them or have kids that want to d some online learning, here is a solid site that has many free lesson plans and activities from pre-school to highschool age. I am not a big believer in forcing kids to do bookwork but often times an unschool kids will want to learn something online and worksheets and inline learning sites are as valid a tool as any other.
The site is MrDonn.org and I particularly like the sections on Ancient History.
The site is quite dated looking- no fancy Flash here- but packed with good info.
Do you know of Online Schools and resources? Please let me know by posting in comments or email me!