I have recently returned from a 2 week volunteering trip to a township primary school in South Africa teaching sports education. A typical day included teaching about 400 children over 5 class sessions with another teacher and I. We got to choose what we taught the children and it often involved songs and dancing with the younger children, and basketball and football drills with the older ones.

Later in the afternoon 4 children were selected that the teachers had felt worked particularly h...