When I was in Junior High School about 37 years ago (did I really just say that?) I saw a social studies teacher pick a kid up and slam him against the wall. The kid was a perfect a*#hole and deserved every bit of it. The teacher was actually a pretty good guy. He was a USAAC bomber pilot in WWII and had all kinds of stories.
I kind of wonder sometimes if that 'old school' discipline was a little more effective than what exists in todays schools.