Wikis are a new idea for me. I really did not know what they were until now!
I looked through some sample wikis and found one called Grade One Classroom Wiki.
Students created a story and used it to share and collaborate with other first grade classrooms. Here is the link below:
I also thought you could create one for special ed teachers when you have a student that you need to collaboarte about: For example, without naming names, describe the kiddo and ask for suggestions from your colleagues. I always get ideas from my peers, someone always sees a way to think outside the box or in a way I never would have thought.