Did this high school prank go too far? Students at Gladstone High School in Oregon celebrated their impending graduation by going into the school early Friday morning and moving hundreds of desks out of classrooms and into the hallways. The seniors also replaced erasers with hot dogs. While many think senior pranks are harmless rites of passage, the school's principal didn't see this one as a laughing matter. Many think senior pranks are harmless rites of passage, but not the school principal.