; or (B) is a working class or middle class student, as described in subsection (d)(3), who is enrolled or plans to enroll in a 4-year public institution of higher education in the State in which the individual is a resident or in a 4-year Tribal College or University. (8) Full-time equivalent eligible students The term full-time equivalent eligible students , when used with respect to an institution of higher education, has the meaning given the term full-time equivalent students , except that the calculation shall be made based on the number of eligible students enrolled at such institution. (9) Full-time equivalent students The term full-time equivalent students means the sum of the number of students enrolled full time at an institution, plus the full-time equivalent of the number of students enrolled part time (determined on the basis of the quotient of the sum of the credit hours of all part-time students divided by 12) at such institution. (10) Institution of higher education The term institution of higher education has the meaning given the term in section 101. (11) Public 4-year institution of higher education The term public 4-year institution of higher education means a public institution of higher education that is not a community college. (12) Tribal College or University The term Tribal College or University has the meaning given the term in section 316(b)(3). (13) 2-year Tribal College or University The term 2-year Tribal College or University means a Tribal College or University at which the credential that is predominantly awarded to students is at the sub-baccalaureate level. (14) 4-year Tribal College or University The term 4-year Tribal College or University means a Tribal College or University that is not a 2-year Tribal College or University. (b) Program authorized (1) Grants authorized From amounts appropriated under subsection (g), the Secretary shall award grants, from allotments under subsection (c), to States and eligible Indian entities having applications approved under subsection