respect to any qualifying school described in subsection (d)(1)(C), the ratio (expressed as a percentage) of— (i) the total number of children attending such qualifying school who are eligible for the Child Care and Development Block Grant of 1990 ( 42 U.S.C. 9857 et seq. ) or the child and adult care food program established under section 17 of the Richard B. Russell National School Lunch Act ( 42 U.S.C. 1766 ), to (ii) the total number of children attending such qualifying school. (2) Determination of ratio In determining the student poverty ratio with respect to a qualifying school under paragraph (1)(A), the Secretary shall use the same measure of poverty as is used for purposes of determining the allocation of funds under part A of title I of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 6311 et seq. ) with respect to the qualifying school. (f) Inflation adjustment (1) In general In the case of any taxable year beginning after 2024, each of the dollar amounts in subsections (a) and (b) shall be increased by an amount equal to— (A) such dollar amount, multiplied by (B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, determined by substituting in subparagraph (A)(ii) thereof calendar year 2023 for calendar year 2016 . (2) Rounding If any increase determined under paragraph (1) is not a multiple of $50, such increase shall be rounded to the nearest multiple of $50. . (2) Conforming amendments (A) The table of sections for subpart C of part IV of subchapter A of chapter 1 of the Internal Revenue Code of 1986 is amended by inserting after the item relating to section 36B the following new item: Sec. 36C. Teacher tax credit. . (B) Section 6211(b)(4)(A) of such Code is amended by inserting 36C, after 36B, . (C) Section 1324(b)(2) of title 31, United States Code, is amended by inserting 36C, after 36B, . (b) Information sharing (1) In General The Secretary of Education shall— (A) collect such information as necessary for