• Shared folders and more in Google Docs - Docs Help on Shared Folders
  

• Official GoogleDocs blog: Google Docs: the tool for the 21st century classroom - High school writing teacher description of how she uses GoogleDocs with students

• Improving the writing process with Google Docs (PDF)
  

Online Tutorials

• Video tutorials on GoogleApps in Education: http://edu.googleapps.com/tutorials-and-tips
• Using Google Docs in the classroom: Simple as ABC
• GoogleApps Flash-based interactive online tutorials
• GoogleDocs Help Center
• GoogleDocs Tour