such partnership will contribute to the required match described in subsection (e)(3). (B) Priority In awarding grants to Indian tribes or tribal organizations, the Secretary shall give priority to Indian tribes or tribal organizations that have formed a public-private partnership. (d) Environmental standards The Secretary shall encourage, but not require, eligible entities, Indian tribes, tribal organizations, and tribal educational agencies to ensure that the modernization, renovation, repair, or building supported by the qualified project meets Leadership in Energy and Environmental Design (LEED) building rating standards, Energy Star standards, Collaborative for High Performance Schools (CHPS) criteria, Green Building Initiative environmental design and rating standards (Green Globes), the Living Building Challenge certification standards, or equivalent standards adopted by entities with jurisdiction over or related to the eligible entity or Indian tribe or tribal organization. (e) Matching funds (1) States A State that receives a grant under subsection (b)(2) shall provide, from non-Federal sources, an amount equal to 25 percent of the amount of the grant (which may be provided in cash or in kind) to carry out activities supported by the grant. (2) Eligible entities An eligible entity that receives a subgrant under subsection (b)(2)(B) shall provide, from non-Federal sources, an amount equal to 25 percent of the amount of the subgrant (which may be provided in cash or in kind) to carry out activities supported by the subgrant. (3) Indian tribes and tribal organizations An Indian tribe or tribal organization that receives a grant under subsection (b)(1) shall provide, from Federal or non-Federal sources, an amount equal to 10 percent of the amount of the grant (which may be provided in cash or in kind) to carry out activities supported by the grant. (4) Waiver authority The Secretary may waive the matching funds requirement under this subsection for a State, Indian tribe, or tribal organization if the