; and (2) by adding at the end the following new subsection: (gg) (1) Notwithstanding any preceding provision of this section, with respect to State expenditures for medical assistance consisting of behavioral health services furnished at a school (as defined in section 330N(d) of the Public Health Service Act) or at a school-based health center (as defined in section 399Z–1(a)(3) of such Act) on or after the date that is 3 months after the date of the enactment of this subsection, the Federal medical assistance percentage otherwise determined under subsection (b) shall, subject to paragraph (2), be equal to 90 percent. (2) Paragraph (1) shall not apply in the case of State expenditures described in such paragraph if application of such paragraph would result in a lower Federal medical assistance percentage for such expenditures than would otherwise apply without application of such paragraph. .