North Gwinnett Middle School Grade Levels: 6, 7, 8 Cluster: North Gwinnett Enrollment: 2,242 Phone: (678) 745-2300 Principal: Sheri Gilbert Cluster Superintendent: Dr. Clifton Alexander Cluster Map Hours: 9:20 a.m.-4:00 p.m. School Website School Profile School History 2023-24 LSPI 2022-23 LSPI