Stewart Mader talks often about wikis being used in Education. I used one myself in the coursework phase of my Masters degree and they are brilliant for helping students work and learn collaboratively.
Today I got my Wikispaces update which mentioned a milestone of 100,000 free wikis in the K-12 education program, and they plan to give away 250,000 more.
Basically, if you are a teacher in K-12 and would like a private and ad free wiki for use with your class, yourself, your library or even to organise PTA meetings, etc, then go to this page and check it out!
A Guide to Developing the Self-Discipline Habit
6 hours ago