; and (2) demonstrates— (A) the greatest need for new or additional nursing services among students in the public elementary schools and secondary schools served by the agency or consortium; or (B) that the eligible entity does not have a school nurse in any of the public elementary schools and secondary schools served by the local educational agency or the consortium-member local educational agencies. (e) Federal share; non-Federal share (1) Federal share The Federal share of a grant under this section— (A) shall not exceed 75 percent for each year of the grant; and (B) in the case of a multiyear grant, shall decrease for each succeeding year of the grant, in order to ensure the continuity of the increased hiring level of school nurses using State or local sources of funding following the conclusion of the grant. (2) Non-Federal share The non-Federal share of a grant under this section may be in cash or in-kind, and may be provided from State resources, local resources, contributions from private organizations, or a combination thereof. (3) Waiver The Secretary may waive or reduce the non-Federal share of an eligible entity receiving a grant under this section if the eligible entity demonstrates an economic hardship. (f) Report Not later than 2 years after the date on which a grant is first made to a local educational agency under this section, the Secretary shall submit to Congress a report on the results of the demonstration grant program carried out under this section, including an evaluation of— (1) the effectiveness of the program in increasing the number of school nurses; and (2) the impact of any resulting enhanced health of students on learning, such as academic achievement, attendance, and classroom time. (g) Authorization of appropriations There are authorized to be appropriated to carry out this section such sums as may be necessary for each of fiscal years 2018 through 2022.