Senior pranks are all good fun until somebody gets arrested or put in a hospital. A case of reckless senioritis combined with a horrid lack of foresight caused many of the teens on this list to have their diplomas traded in for felony charges. In many cases, innocent folks outside of the student body fell victim to these ill-advised pranks too. (If you ever encounter a high school custodian around graduation time, give them a warm hug). This list is a great resource for everything not to do for your senior sendoff.

1. Six students at Chopticon High School in Maryland were criminally charged after releasing 72,000 ladybugs into the school.