Kasey Bell has a great, teacher-friendly blog on Google Apps for Educators and how to easily use GAFE in the classroom. Check out her free Google Apps cheat sheets free eBook.
Google Fundamentals Training– you can complete Google’s GAFE training on your own. It’s free and at the end you can take a test to become a Google Certified Educator (Level 1 and Level 2.) Self-paced and a great reference as well… (Not available via IUSD wifi/network- try at home.)