; and (ii) in the case of an eligible Indian entity, at 2-year Tribal Colleges and Universities of the eligible Indian entity for all eligible students and at 4-year Tribal Colleges and Universities of the eligible Indian entity for working class and middle class eligible students, as described in subsection (d)(3), for the award year. (B) Non-federal share requirement for certain eligible Indian entities (i) In general In the case of an eligible Indian entity that receives a grant under this section for an award year for which not less than 75 percent of the students enrolled in the 2-year Tribal Colleges and Universities and 4-year Tribal Colleges and Universities of the eligible Indian entity are low-income students, such eligible Indian entity shall provide a non-Federal share of funds from non-Federal sources in an amount that is equal to not more than 5 percent of the amount necessary to eliminate tuition and required fees at 2-year Tribal Colleges and Universities of the eligible Indian entity for all eligible students and at 4-year Tribal Colleges and Universities of the eligible Indian entity for working class and middle class eligible students, as described in subsection (d)(3), for the award year. (ii) Low-income student In this subparagraph, the term low-income student has the meaning given such term by the Secretary, except that such term shall not exclude any student eligible for a Federal Pell Grant under section 401. (iii) Data In calculating the number of enrolled students and low-income students for purposes of clause (i), the Secretary shall use— (I) for the first award year of the program under this section, the number of students enrolled in award year 2015–2016