A high school attendee is typically a teenager, which can be abbreviated to 'teen' in four letters. A high school attendee is usually between the ages of 13 and 18, attending secondary education in preparation for college or other post-secondary education. They are often required to take classes in a variety of subjects, such as math, science, English, and social studies. High school attendees may also participate in extracurricular activities, such as sports, clubs, and volunteer work.