Speaking as a former teacher, as long as schools can find someone willing to stand at the front of a classroom, the terrible pay and working conditions will persist.

I finished my career in the UK, where a third of all teachers leave the profession within five years. I started that career in Australia, where half of all teachers leave the profession within five years. It's not a 'calling' or a 'vocation', it's just the post-university equivalent of a gap year.