The state’s largest school system opens Aug. 7 with about 1,691 new students. Enrollment in Gwinnett Public Schools is expected to reach about 166,600 for the 2013-2014 school year. The district is not opening any new schools this year, but two schools are moving to new locations to make way for future construction. The alternative school Gwinnett Center Weest moves to 5550 Peachtree Industrial Blvd., Norcross. Gwinnett Online Campus will relocate to a district facility at 713 Hi-Hope Road, Lawrenceville.Both programs currently share a campus at 2595 Beaver Ruin Rd., Norcross.