The Plant Operations & Maintenance Department cares for 13 educational facilities, one central administration building, and a state of the art athletic complex totaling approximately 1.6 million square feet, and manages custodial staff work orders across the school district. Since the inception of the school-based computerized work order management system in 2008, the Plant Operations & Maintenance staff has successfully completed over 7,600 work orders. Additionally, each Cambridge Public School also employs custodial staff. The Plant Operations & Maintenance Department, with the assistance of the individual school principals, oversees this custodial staff.