high school as recap of human's social trajectory?

[excerpt & source, http://www.slate.com/id/2202303/pagenum/all/]

You could say our lives as social beings are ruled by the three R's: respect—the sense that proper deference has been paid to our status, reputation—the carefully maintained perception of our qualities, and reciprocity—the belief that our actions are responded to fairly. In other words, high school may be the most perfect recapitulation of the evolutionary pressures that shaped us as a species...