; (B) for each of the third and fourth years of the grant period, 30 percent of the grant amount; (C) for the fifth year of the grant period, 40 percent of the grant amount; and (D) for the sixth year of the grant period, 50 percent of the grant amount. (3) Determination of amount contributed (A) In-kind contributions The Secretary shall allow an eligible entity to meet the requirements of this subsection through in-kind contributions. (B) Non-Federal sources Not less than half of each amount described in paragraph (2) shall be provided by the eligible entity from non-Federal sources. (e) Supplement, not supplant An eligible entity shall use a grant received under this section only to supplement funds that would, in the absence of such grant, be made available from other Federal, State, or local sources for activities supported by the grant, not to supplant such funds. (f) Priority In awarding grants under this section, the Secretary shall give priority to eligible entities that— (1) propose to establish or support an early college high school or other dual or concurrent enrollment program that will serve a student population of which not less than 51 percent are low-income students; (2) are from States that provide assistance to early college high schools or other dual enrollment programs, such as assistance to defray the costs of higher education (including costs of tuition, fees, and textbooks); and (3) propose to establish or support an early college high school or dual or concurrent enrollment program that meets quality standards established by— (A) a nationally recognized accrediting agency or association that offers accreditation specifically for such programs; or (B) a State process specifically for the review and approval of such programs. (g) Equitable distribution The Secretary shall ensure, to the extent practicable, that eligible entities receiving grants under this section— (1) are from a representative cross section of— (A) urban, suburban, and rural areas; and (B) regions of the United States