Kaitlyn Booth, 17, a junior at Hickman High School in Columbia, Mo., was arrested earlier this month after a prank in which she she changed a student's last name to "Masturbate" in the 2013 yearbook.Booth faces charges of harassment as well as first-degree property damage, a felony, in addition to unspecified school punishment.The name change is found on page 270 of the yearbook, the page that features the index.