; and (ii) in clause (iii)(I), by inserting infants and toddlers with disabilities, after children with disabilities, ; and (M) by adding at the end the following: (W) Tiered and transparent system for measuring the quality of child care providers The State plan shall describe how the State will develop or revise with input from child care providers, from families, and from organizations representing child care directors, teachers, and other staff, within 3 years after the date of submission of the State application, systems for measuring the quality of eligible child care providers who provide services for which assistance is made available under this subchapter, that consist of— (i) a tiered and transparent system for measuring the quality of eligible child care providers who serve eligible children, that— (I) applies to eligible child care providers (except providers of family, friend, or neighbor care that elect to be covered under clause (ii)); (II) includes a set of standards, for determining the tier of quality of a child care provider, that— (aa) uses the degree to which the provider meets national standards (which may be Head Start program performance standards described in section 641A(a) of the Head Start Act ( 42 U.S.C. 9836a(a) ) or standards for national accreditation of early learning programs) or other equally rigorous and evidence-based standards that are tied to child outcomes; and (bb) includes indicators that are appropriate for different types of providers, including child care centers and family child care providers, and are appropriate for providers serving different age groups (including mixed age groups) of children, while maintaining a high level of quality child care by all of the different types of providers and for all of the different age groups (including mixed age groups); (III) includes a different set of standards that includes different indicators, to be applied, when appropriate, for care during nontraditional hours of operation