You could double teacher pay and it wouldn't make a lick of difference.
As a teacher, you have no control over your classroom.
Disruptive students that destroy everybody else's learning environment? Too bad. No Child Left Behind! Wait, that's the old slogan, what's the new one? Equity Uber Alles? Equity Macht Frei?
It changes so often, I keep forgetting.
Assaulted by the kids? Suck it up, we don't want to be sued! Better to have a battered teacher -- the Unions will keep them in check -- than a lawyered-up parent.
I have seen this first-hand.
Want to actually teach kids things they need to learn to succeed? This is the wrong job for you.
I know a lot of motivated folks that went into teaching, with big salary bonuses, full scholarships for their degrees, everything. None of them lasted more than four years.
Public education in the US selects for Dolores Umbridge, and against Remis Lupin.