15 Teachers Reveal How They Screwed Up So Bad, They Got Fired!
A female student was texting in class. The teacher confiscated the phone, and looked through it, finding nude pics of the girl that she had taken for her boyfriend. The teacher emails the pics to himself. He then tried to sell the pictures to a child porn site. He used his professional teacher email address when communicating with the people who run the site, that's how he was caught. Police picked him up on campus in the middle of a school day.
Sold Xanax to students. It had been going on for years at the high school before she was caught.