At the secondary school level ("high school ''), grades 9 -- 12 are also known as freshman (or "first - year ''), sophomore, junior, and senior. At the post-secondary level (college or university), these terms are used almost exclusively to refer to what would otherwise be grades 13 -- 16, ending denoted as "college senior ''. Then come post-graduate levels.
what are the four stages of high school
freshman sophomore junior senior senior