It’s a crime to skip school. Whether the scofflaw is a stubborn third-grader, or a 17-year-old with a bad case of “senioritis,” there are consequences. The Douglas County School District and the District Attorney’s Office do not hesitate to enforce the law when it comes to getting students ages 7 through 18 to school, as required by law. Chief Deputy District Attorney Tom Gregory, who sits on the county’s truancy board, said parents are prosecuted as a last resort. But if the unexcused absences pile up, a parent or guardian can be charged with contributory neglect, a misdemeanor punishable by …