I’ll add that there are 3.7 million teachers in the US. We can’t demand that teachers all be smart, we need too many of them. I’ll also add that there’s perhaps very marginal benefit from having a 90th percentile in intelligence nationally teacher than a 30th or 40th percentile intelligence nationally teacher teaching a class of 2nd graders, and it’s perhaps not worth increasing pay to the levels it would need to be to attract the best and brightest to teaching because it just doesn’t make that much difference.