; or (ii) a political subdivision of a State that is among the top 10 percent of political subdivisions of a State having the greatest numbers of such children. (B) Determination In determining which communities qualify as a high-need community under subparagraph (A), the Secretary shall use such data as the Secretary determines are most accurate and appropriate. (7) Low-income family The term low-income family means a family with an income below the poverty line for the most recent fiscal year for which satisfactory data are available. (8) Secretary The term Secretary means the Secretary of Education. (9) innovative early learning curriculum The term innovative early learning curriculum means a comprehensive model of early childhood education, including the following principles as articulated by Dr. Edward Zigler of the Yale Child Study Center, which incorporate— (A) educational interventions beginning as close to birth as possible; (B) a child-initiated learning process with time for independent inquiry and play; (C) access to wraparound social services, including support for nutrition, housing, and family literacy; (D) professional development for instructional staff, including elementary school teachers, paraprofessionals, and pre-school teachers; (E) an extended school day and school year; (F) parent development, which includes providing parents with the knowledge and skills needed to be able to support a child’s growth and academic progress; (G) child-to-staff ratios of at least 1 early childhood or elementary educator for every 7 children