It's pretty much accepted that teachers have to put up with a lot. That means low wages, unruly kids that can't be disciplined, and then there's the parents - many of whom are just miserable. Just ask these exhausted educators, who wound up schooling 'adults' on things they absolutely should already know or even worse, know better than to ask about.  

From the math instructor accused of using witchcraft to the Spanish teacher reprimanded for, well, speaking Spanish, these 34 teachers share the dumbest parents they’ve ever encountered.