non-collegiate
/ˌnɒnkəˈliːdʒɪət/adjective
Not collegiate; not attached or affiliated to, or sponsored by, a university or college. Of a student: not belonging to a college; belonging to a body of students not attached to any particular college or hall. Of a university or church: not having a collegiate system. In early use of (part of) a school: not resembling or preparing pupils for a college.
Origin
Late 17th century (in an earlier sense). From non- + collegiate; in later use perhaps independently from non- + collegiate.