- High school is used in some parts of the world, particularly in Scotland, North America and Oceania to describe an institution that provides all or part of secondary education. The term "high school" originated in Scotland with the world's oldest being the Royal High School (Edinburgh) in 1505.
- High School is a 2010 comedy film starring Academy Award-winner Adrien Brody. It is the feature length directorial debut of John Stalberg, Jr. The film premiered at the Sundance Film Festival in January 2010 and will be distributed in theatres internationally by Parallel Media.
- senior high school: a public secondary school usually including grades 9 through 12; "he goes to the neighborhood highschool"
- A school that typically comprises grades 9 through 12, attended after primary school or middle school
- A class ring (also known as a graduate, senior ring, or grad ring) is a ring worn by students and alumni in the United States and Canada to commemorate their graduation, generally for a high school, college, or university.
- A ring bearing a school insignia and date of graduation.