have nothing to fall back on when they realize they don't like being around the turds in school these days?
Can't imagine at least getting a Math, Biology, Physics degree and then going into teaching so you have something to jump into.
http://blogs.edweek.org/edweek/teacherbeat/2018/10/today_teaching_force_richard_ingersoll.html
44% of teachers leave teaching within 5 years.
At MU when I was there you went into teaching when you failed at other degrees. That is why there are so many bad attitude teachers