; and (C) meets any other requirements established by the institution. (4) Full-time academic workload The term full-time academic workload , when used with respect to an semester or equivalent term, means at least 12 credits (or the equivalent). (5) Institution of higher education The term institution of higher education has the meaning given the term under section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 ). (6) Secretary The term Secretary means the Secretary of Education. (7) Transfer rate The term transfer rate , when used with respect to students enrolled in a program of study at an eligible institution, means the rate at which such students transfer to a 4-year institution of higher education. 10. Authorization of appropriations There are authorized to be appropriated to carry out this Act $10,000,000,000 for fiscal years 2018 through 2028, to be available until expended.