There is a group of volunteers who are starting to develop lessons and educational materials for XO laptop projects without access to the internet. They call their group Local Fi (as opposed to Wi Fi).
The Local Fi website http://www.localfi.org was created as part of a Stanford U. class project.
It is still in its infancy, but they already has some good suggestions. See the pdf's in the Curriculum section.
I really like their graphics too: