This is my classroom blog from 2008
Here are some other ways that blogs have been used to share in the learning.
http://nzedublogs.wikispaces.com/
http://my-ecoach.com/online/webresourcelist.php?rlid=4992
Here is an example where a whole school has set up links to each classroom page on the home page
http://www.makarewa.school.nz/blogs.html
Or, you can google classroom blogs and get more ideas!
