Job Description Help for Job Description. Opens a new window. Prepare materials and classrooms for class activities. Related occupations Observe and evaluate students' performance, behavior, social development, and physical health. Related occupations Instruct through lectures, discussions, and demonstrations in one or more subjects, such as English, mathematics, or social studies. Related occupations Prepare, administer, and grade tests and assignments to evaluate students' progress. Related occupations Establish and enforce rules for behavior and procedures for maintaining order among students.