Perform basic cleaning and maintenance duties such as, scrubbing and disinfecting toilets, sanitary fixtures, and drinking fountains daily; collecting rubbish throughout the school grounds and disposing of appropriately; keeping all floors clean and in a good state of preservation; sweeping classrooms and dusting furniture; regulating ventilation, heat, and air conditioning to provide appropriate temperatures; etc. Maintain school grounds through yard-keeping chores including, but not limited to grass cutting and tree trimming, and shoveling/plowing sidewalks, driveways, parking areas, steps, and play areas.