; (B) take into consideration— (i) past experience with use of the standards in effect under the Head Start Act ( 42 U.S.C. 9831 et seq. ) on the date of enactment of the Improving Head Start for School Readiness Act of 2007; (ii) developments concerning research-based practices with respect to early childhood education and development, children with disabilities, homeless children, children in foster care, and family services, and best practices with respect to program administration and financial management; (iii) appropriateness of standards for prime sponsors with respect to their programs, recognizing differences in types of settings (including center-based and home-based settings), geography of the service area, and the culture, language, and age distribution of the children served; (iv) projected needs of expanding child care and early learning programs; (v) guidelines and standards that promote child health and physical development, including participation in outdoor activity that supports children’s motor development and overall health and nutrition; (vi) changes in the characteristics of the population of children who are accessing child care and early learning programs, including country of origin, language background, and family structure of such children, and changes in the population and number of such children who are in foster care or are homeless children; (vii) mechanisms to ensure that children participating in child care and early learning programs make a successful transition to the schools that the children will be attending; (viii) the need for prime sponsors to maintain regular communications with parents and family members, including conducting periodic meetings to discuss the progress of individual children in child care and early learning programs; (ix) the unique challenges faced by individual programs, including those programs that are seasonal or short-term and those programs that serve rural populations