My brother is a department head in Engrish. He tells me the War on Teachers™ has pretty steadily reduced the quality of his applicants. Bright folks don't want to be abused by the politicians and press while trying to survive the first 5 years of teaching when the prep hours are horrific and you're more likely to be bumped in a layoff...
Maybe the pendulum will swing back a little when Betsy DeVos saves education from its unprofitably.