GWINNETT BACK TO SCHOOL-Aug. 10, 2015 - Lawrenceville - Buses arrive on the first day back at school at Baguette Elementary School in Lawrenceville. Metro Atlanta area teachers and students headed back to school on Monday. It was the first day of school in Fulton, Gwinnett and DeKalb counties. Brand new Baggett Elementary School opened in Lawrenceville with a 1,125 student capacity. BOB ANDRES / BANDRES@AJC.COM