; or (vi) the first through fourth year of a graduate program at an institution of higher education, is certified by such institution of higher education to be pursuing a graduate degree (including a program of not less than two years for which the institution awards a certificate) in a subject described in clause (i)(II). ; (D) in subsection (d)— (i) in paragraph (1)— (I) by amending subparagraph (A) to read as follows: (A) In general The Secretary shall award a grant under this section in the amount of— (i) $10,000 for an eligible student under clause (i) through (v) of subsection (c)(2)(C); and (ii) $20,000 for an eligible student under clause (vi) of subsection (c)(2)(C). ; (II) in subparagraph (B)(i), by striking a student and inserting an undergraduate student ; and (III) by adding at the end the following: (C) Reduction for less than full-time graduate students Notwithstanding subparagraph (A), in any case in which a graduate that attends an institution of higher education on less than a full-time basis, the amount of the grant that such a student may receive shall be reduced in proportion to the degree to which such student is not so attending on a full-time basis. ; (ii) in paragraph (2)— (I) in subparagraph (A), by inserting or graduate after undergraduate ; and (II) in subparagraph (B), by striking subsection (c)(3) and inserting subsection (c)(2)(C) ; and (iii) in paragraph (3), by inserting to an undergraduate student before in the same manner