Posture: Prolonged standing; frequent kneeling/squatting, bending/stooping, pushing/pulling, and twisting Motion: Frequent walking Lifting: May be required to lift and position students with physical disabilities; control behavior through physical restraint; and assist non-ambulatory students exposed to biological hazards. Special Knowledge/Skills/Abilities: Knowledge of special needs of students in assigned area Knowledge of Admission, Review, and Dismissal (ARD) Committee process and Individual Education Plan (IEP) goal setting process and implementation General knowledge of curriculum and instruction .