<P> 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 . </P>
<P> 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 . </P>
what are the four stages of high school
what are the four stages of high school
freshman sophomore junior senior
freshman sophomore junior senior