I think this would be a great video to show at a staff meeting or to cut into segments to discuss with older students. I would like to use these concepts to help my 6th graders, in particular, find better ways to deal with stress, disappointment, frustration, and failure. There are some aspects of the talk that may be inappropriate for your intended population, so be sure to view and decide which sections, if any, you'd like to share with those specific individuals.
Just watch. You will be glad you did.