http://matadorabroad.com/the-educational-value-of-long-term-travel-with-kids/
If you've ever considered pulling your kids out of school and travelling for a few months then you should definitely read this article on Matador Abroad by author Karen Banes
You may also find these links helpful as well.
http://www.bravenewtraveler.com/2008/02/26/found-in-translation-why-travel-as-a-teenager-is-the-best-education/
http://matadorabroad.com/youth-travel-programs-are-vital-to-our-security/
http://matadorabroad.com/how-to-raise-successful-kids-while-living-overseas/
http://soultravelers3.com/