teachers: automated external defibrillator (AED)] Posture: Prolonged standing; frequent kneeling/squatting, bending/stooping, pushing/pulling, and twisting Motion: Frequent walking Lifting: Regular light lifting and carrying (less than 15 pounds); may lift and move textbooks and classroom equipment Environment: Work inside, may work outside; regular exposure to noise Mental Demands: Maintain emotional control under stress; work prolonged or irregular hours Huffman ISD Substitute Teacher 10/10/2022 Texas Association of School Boards, Inc. Qualifications: Education/Certification: High school diploma/GED Some college hours, or associate degree, preferred Special Knowledge/Skills: Knowledge of core academic subject assigned Knowledge of curriculum and instruction Ability to instruct students and manage their behavior Strong organizational, communication, and interpersonal skills Experience: Experience managing groups of students and providing instruction, or related work experience Major Responsibilities and Duties: Instructional Strategies.