There are variety of resources in multiple forms, e.g. tutorials, online training center, workshops and online classes.
AEAs across the state have partnered to offer Google Calendar, Docs, and Sites training online for licensure renewal or graduate credit. A full listing of these courses can be found by going to AEA Online Professional Development and selecting the subject category of Technology Integration.
Google provides a resource in order to learn Google Tools- the Google for Education Learning Center
Official Google Drive Channel via YouTube
With Google's web browser- Chrome, you can add functionally to the browser by adding Apps and Extensions
Help Documents and Resources for Google Administrators