; and (iv) the cost described in clause (iii), disaggregated by the cost of— (I) planning; (II) design; (III) construction; (IV) site purchase; and (V) improvements; (v) the geographic distribution of such projects; and (vi) the demographic composition of the student population served by such projects, disaggregated by— (I) race and ethnicity; and (II) the number and percentage of students enrolled at such entities who are eligible to receive a Federal Pell Grant under subpart 1 of part A of title IV of the Higher Education Act of 1965 ( 20 U.S.C. 1070a et seq. ); (B) an evaluation of a sample of grant recipients, selected by the Secretary taking into account size and geographic location of each grantee, to determine how such recipients are using the grant and the effectiveness of the activities carried out with the grant; and (C) an analysis of compliance with the requirement in section 3(c). (b) Comptroller General study report (1) Study required Not later than 4 years after the date of the enactment of this Act, the Comptroller General of the United States shall conduct a study on the implementation of the grant program under this Act. (2) Elements The study conducted under paragraph (1) shall include— (A) an examination of program implementation challenges; and (B) an assessment of whether any changes are needed to make grants under this Act more accessible to eligible entities with fiscal challenges to help them raise capital for infrastructure projects. (3) Report After the completion of the study under paragraph (1), the Comptroller General shall submit to the appropriate congressional committees a report on the results of the study, including any recommendations to the Secretary for improvements to the implementation of the grant program under this Act. 9. Definitions In this Act: (1) Eligible entity The term eligible entity means— (A) a part B institution (as defined in section 322 of the Higher Education Act of 1965 ( 20 U.S.C. 1061 ))