While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell. Proven ability to work in a polite and friendly manner and relate to a variety of constituencies, including but not limited to administrators, parents, teachers, students, other school staff, and school visitors.