In this chapter, the following terms have the meanings indicated. Terms Defined. “Enrolled” means having registered for a credit or noncredit course. “Institution of higher education” means a school of post-secondary education that generally limits enrollment to graduates of secondary schools and awards degrees at the associate, baccalaureate, or graduate level. “Meningococcal vaccination” means receipt of the vaccine protecting against at least the four serogroups of A, C, Y, and W-135 of meningococcal disease within the preceding 5 years before the individual moves into on-campus student housing. “On-campus student housing” means housing provided to individuals, regardless of the fee, that is owned, rented, or contracted for and operated by an institution of higher education, or through written agreement, with an agent of the institution of higher education.