For teachers, this is the endgame when you make it illegal to strike. They've taken away the means for teachers to have their grievances addressed and keep treating them worse. At some point the capitalist advice of "if you don't like your job then quit" will get taken.

The situation is even worse for science/math teachers. A halfway competent high school science/math teacher can get a pretty good job in a lab or in software. Teachers in general choose that career path because they have a passion for education, but that passion can only compensate for so much bullshit until they'll choose an easier and better paying career path. This year especially, students have been less engaged than ever, and the teachers are teaching less than ever as school admin scrambles to find staffed classrooms they can shove students into. Why would somebody stay if they didn't have to?

The future is extremely grim for education in the US.