An Arnaudville woman is charged with her third first offense DUI arrest in six weeks after driving onto the St. Edmund Elementary campus at 10:18 a.m. Monday, according to Eunice Police Chief Randy Fontenot. According to the investigating officers, Skyla P. Briley, 29, Old School Road, drove a car that left North 3rd Street, entered the parking lot between the elementary school and the St. Anthony…