Senior Prank (description). as a senior prank, some seniors in my high school hired a mariachi band to follow around our principal for 4 hours.. what I did for my senior prank >be 18. Senior in High school >Have a mastermind plan >Go into Editors room that creates everything for the school >T Senior Prank (description) as a senior prank some seniors in my high school hired mariachi band to follow around our principal for 4 hours what I did >be 18 High >Have mastermind plan >Go into Editors room that creates everything the >T