A professional who instructs students in commercial subjects, such as typing, filing, secretarial procedures, business mathematics, office equipment use, and personality development, in business schools, community colleges, or training programs. Responsibilities include:

• Instructs students in subject matter, utilizing various methods, such as lecture and demonstration, and uses audiovisual aids and other materials to supplement presentations.
• Prepares or follows teaching outline for course of study, assigns lessons, and corrects homework and classroom papers.
• Administers tests to evaluate students' progress, records results, and issues reports to inform students of their progress.
• Maintains discipline in classroom.