The Brief Gwinnett County Public Schools begins the new school year Wednesday, welcoming students back across the district. The district is opening Murphy Middle School, its 30th middle school, to help ease overcrowding. Thousands of students returned to classrooms Wednesday as the new school year got underway in Gwinnett County Public Schools, Georgia's largest school district. ALL BACK-TO-SCHOOL COVERAGEWhat we know:The first day also marked the opening of Murphy Middle School, the district's 30th middle school. Gwinnett Public Schools is expanding its lunch menu in an effort to offer more variety and appeal to a wider range of student tastes.