Typical demands require staff to lift and carry up to 20 pounds, and may be higher for some assignments depending on position and student need; climb stairs, ladders, and/or stools; reach, hold, grasp and turn objects; use fingers to operate computer keyboards; feel the shape, size and temperature of objects; and physically restrain students when necessary. Ability to establish and maintain effective working relationships with individuals from many diverse backgrounds and professions including supervisors, administrators, coworkers, staff, students, parents, and the general public.