Students return for their first day of classes at Barwell Road Elementary School in Raleigh, N.C., on Monday. Monday was the first day of school for 26,000 kids on a year-round calendar in the Wake County, N.C., public school system. (Associated Press)

Students return for their first day of classes at Barwell Road Elementary School in Raleigh, N.C., on Monday. Monday was the first day of school for 26,000 kids on a year-round calendar in the Wake County, N.C., public school system. (Associated Press)