Check out "Tips and Tricks for Using Google Docs" at: http://www.google.com/google-d-s/college/
Don't start from scratch - Check out template galleries for resident assistants, teaching assistants, and student leaders.
Say no to emailing attachments - Use revision history to look at any previous versions of your documents.
Brainstorm notes for group projects - With a record of everyone's thoughts in one place, no good idea gets left behind.
Need surveys for classes? - Send out a form to your email lists and get an organized spreadsheet of responses instantly.
Look at Getting Started Guides - Set up your first docs easily with guides for documents, spreadsheets, and presentations.
Check out the Advanced Manuals - Explore the ins and outs of documents, spreadsheets, and presentations.
Use forms for your student group or dorm - Collect RSVPs, organize your budget, or take collaborative meeting minutes.
Make collaborative study guides - Invite everyone to the same Google document and paste in your class notes.
Trip planning - Let everyone contribute to your itinerary in a document, track your budget in a spreadsheet, etc.
Chat while you work - Chat is built into Google spreadsheets, making it easy to discuss changes you're making with others.
Make personal to-do lists - With just a few clicks from your inbox, make sure no important task is left undone.
Try spreadsheet functions - Gather stats like a team's ranking or a country's GDP with GoogleLookup.