alt Hacker NewsThere are many fast-track teaching certification programs for people who already have a university degree https://tntpteachingfellows.org/
Healthcare is another growing field that's easy to get into with only 1- or 2-year certification programs for some positions.
Is that true for healthcare careers that don't have abysmal quality of life? All of the nurses I've known are working 60 hour weeks, night shifts, etc.