High school students should study computer and typing courses, as well as classes in health and mathematics. A high school diploma or equivalent is required and may qualify some students for employment. Students may also receive their training on-the-job or in programs offered through vocational/technical schools and community colleges. In addition, specialized training programs are available for medical secretaries. Professional Secretaries International (PSI) offers certification and testing which earns secretaries the title Certified Professional Secretary (CPS).