This is not to say that staff haven't expected to work hard, and for long hours when needs must, but they are treated as adults. When they're done, they're done. Jonty Driver expresses the situation far better than I ever could:
This, from Jonty Driver, is good. What makes a professional: pic.twitter.com/BrDuKXhXgh— Tim Jefferis (@tjjteacher) September 13, 2016