Everyone remembers that one crazy teacher they had as a kid. My wife is a teacher and I actually forbid her from ever doing something like this. This is something these students will never forget and will tell their kids.

A high school math teacher sang an eight-minute karaoke medley for her students on the first day of school, and they were pretty much mortified. She took a bunch of songs like "Work" and "Hotline Bling", and made them all about school. Right. Because kids need one more reason to hate school more than they already do!

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