Blogging for education

SIX ways to use your blog to teach
1. Post and share resources and materials (with teachers and students)
2. Host online discussions
3. Create class newsletters and replace your school newsletter
4. Give feedback about classwork, received feedback about successful (or otherwise) lessons and units
5. Integrate all kinds of multi-media in a fully functioning webpage
6. Organise, organise, organise

These points, slightly adapted, came from edublog - Search some of the edublogs, they are mind blowing! Here's an example: Thinking 2.0