; and (ii) a final report on such demonstration project. (B) Contents The interim and final reports of a grantee under subparagraph (A) shall include assessments of the effectiveness of the grantee’s demonstration project with respect to— (i) maternal and child health outcomes; (ii) child care quality; and (iii) such other metrics as may be determined by the Secretary. (4) Priority for providing services In providing services through a demonstration project under this section, a grantee shall give priority to vulnerable populations, such as— (A) low-income families; (B) families experiencing homelessness; (C) single-parent households; (D) families who have children with disabilities or special health care needs