But notice in a public school environment the hard incentives ($$$) are all on the administration. So, it's attendance, tests and grades, maybe followed by class size. Yes, there's incentives for students to cheat but cheating is much more widespread and likely on the part of the teachers and administration. The blogger didn't talk about this, but you need to look to see for any metric or group of metrics who is incentivized to cheat and how it might manifest.
