http://www.activistpost.com/2013/01/public-schools-torturing-students-with.html
I'd say that if don't hate your infernal spawn, this might be another reason to home school on top of the million other reasons. Ya know, like forced vaccinations that will disable the damn thing for life, or tha fact the public school system is a propaganda machine that does little to educate.
Man, I was born in 1962, and all the history I taught was CRAP! And I learned from math.com something as simple and stupid as square roots in 5 minutes; which the stupid teacher couldn't get through to me the year I was supposed to learn it.