; and (B) providing ongoing professional development opportunities, including regular in-classroom observation by individuals trained in such observation, for such teachers, principals, and teachers assistants to enable such teachers, principals, and teachers assistants to carry out the elements of high-quality prekindergarten programs, which may include activities that address— (i) promoting children’s development across the essential domains of early learning and development; (ii) developmentally appropriate teacher-child interaction; (iii) effective family engagement; (iv) providing culturally competent instruction; (v) working with a diversity of children and families, including children with special needs and dual language learners; (vi) childhood nutrition and physical education programs; and (vii) supporting the implementation of evidence-based curricula. (2) Not subject to matching The amount reserved under paragraph (1) shall not be subject to the matching requirements under section 120 . (3) Coordination A State that reserves an amount under paragraph (1) shall coordinate the use of such amount with activities funded under section 658G of the Child Care and Development Block Grant Act of 1990 ( 42 U.S.C. 9858e ) and the Head Start Act ( 42 U.S.C. 9831 et seq.). (4) Construction A State may not use funds reserved under this subsection to meet the requirement described in section 112(9)(G) . (b) Subgrants for high-Quality prekindergarten programs A State that receives a grant under this subtitle shall award subgrants of sufficient size to eligible local entities to enable such eligible local entities to implement high-quality prekindergarten programs for children who— (1) are described in section 112(9)(A); (2) reside within the State