If you don't work IT, retail, or food service what do you do for work?
Sometimes on Lemmy these seem like the only jobs that actually exist, but I'm sure there's a lot of people here with different and unusual lines of work.
It depends on the class and the school. Some of them are a wonder to work with, especially if you try to make the lessons fun and turn them into games. Others make you want to pull out your hair.
But all in all, the worst thing, to me at least, is admin. They stick their noses into what they shouldn't and ignore the actual issues. In my experience, they can either be people who give 200% and are overworked to the point of burnout or they are power-hungry tyrants.