Especially with the CCSS, teachers/admin. need to take a look at how grading reflects assessment practices. What do the grades you give really REFLECT about what students CAN DO and know? The table comes from the work of Tom Guskey, a college professor who has done extensive research and writing on grading. (see http://goo.gl/DAHyH)
An interesting on filtering GAFE with objectionable content (based on word lists) and examples of word lists/policies. Some of the features discussed not available are now available in GAFE Admin. Setup (Email blocks, quarantines, etc.) Here is a video by Google Guru showing the setup. http://goo.gl/ejC3Eq