A school custodian cleans the buildings, equipment, and furnishings of a school. As a school custodian, your responsibilities include ensuring the common areas, offices, and classrooms are clean. You also maintain the cleaning equipment and ensure everything needed for cleaning the school is stocked and ready. Depending on your qualifications, you may have additional maintenance duties. Your job is to work with other members of the cleaning or custodial team to ensure the school is a clean and safe environment in which children can learn.