And what seems most important to me, the failure modes are obvious. Any school teacher who's collected tests from naughty 10 year olds can imagine all of them.

And what seems most important to me, the failure modes are obvious. Any school teacher who's collected tests from naughty 10 year olds can imagine all of them. These are the people who volunteer to show up and watch the process, in every district. It's not enough to have a very low rate of cheating. The legitimacy of the process depends on this fact being clear to everyone. The fewer over-educated specialists you have to trust to be sure of this, the better.