How CMS custodians are keeping schools disinfected once students return How CMS custodians are keeping schools disinfected once students return By Courtney Cole | February 12, 2021 at 6:37 PM EST - Updated February 12 at 7:30 PM CHARLOTTE, N.C. (WBTV) - Whether it’s the classroom, cafeteria room, bathroom, or even the hallway, CMS staff have protocols in place to protect your students as they start and end their school day. Charlotte-Mecklenburg Schools has 809 custodial staff members, all equipped to disinfect and protect buildings and surfaces once students return for in-person learning. Lawrence Orr Elementary School head custodian Tonyanika Houser says while they’ve enhanced their procedures, the mission remains the same.