 But Guillory says the toddler's four-year-old brother was found dead in a pond at the Vinton Welcome Center. An autopsy will determine if murder charges will come down on the children's mother who was arrested in Mississippi. The Louisiana Department of Education says 56% of K-3 graders were reading at grade level at the end of the school year. That's up from 45% at the beginning of the year. Deputy Superintendent of Education, Dr. Jenna Chasson.