Google for Education provides teaching tools include lesson plans, video presentations for each course, rubrics on how to evaluate student work, and certificates of completion.
Google for Education offers free online courses of interest, such as using Email, using other Google resources, job prep/seeking, and implementing specialized projects designed for elementary students up to adult learners (e.g. how-to activities and cultural lessons on racial tolerance and environmental protection). Teaching resources are included. Users sign in via Gmail.