Schools have a colossal need for collaborative text editing. The immediate need here in Maine is curriculum edit due to standards based initiatives. Everything is changing so rapidly. How do we keep track of it all? FreeWikisForSchools seems like a good answer - post all the curriculum here, and turn the whole staff loose on it.
Surely you don't mean c2.com ? -- DavidCary
See the Meatball page (icon at the bottom),
and also WikiBooks, BetterGame, WikiEducationalUses, WikiInEducation.