If you're a teacher, why would you work in the USA for $50,000/yr (where your purchasing power is absolute garbage) when you could work all over the world?
South Korea. Japan. Taiwan. China. Thailand. Vietnam. Indonesia. Malaysia. UK. Some EU countries. The Middle East.
In South Korea I had a darling two-bedroom apartment and worked 6 hours/day, with a small allowance for classroom supplies. My quality of life was excellent, my job was stable, and my purchasing power was probably double what it is in Canada.
All over the world, people are looking for teachers and instructors: international schools, IB programs, English programs, etc.
The UK is desperate for teachers – the quality of work/school support might not be much better, but it comes with comprehensive healthcare (and is, thus, better than the USA).
Why do you keep working in the states?
Edit: to anyone commenting that teachers “get paid enough”, I encourage you to look at what a real union can accomplish – look at the Ontario Secondary School Teacher's Federation. Teachers start between $48k – $59k in year one, have a defined-benefit pension plan, comprehensive added health benefits, tons of PTO, and get annual pay increases to $102k after 11 years.
That is what a good teaching job looks like.