Mobility: While performing the duties of this job, the employee is regularly required to stand and walk for prolonged periods of time, push or pull 18-50 lbs., sit, kneel and crouch, twist and bend, use hands to type, finger, handle, or feel; and reach with hands and arm. Demonstrate sufficient command of the English language to communicate verbally and in writing with students, parents, district staff members and other concerned people regarding all aspects of their job related activities.