; and (v) activities that appropriately increase the level of coordination between Head Start agencies and other programs that serve very young children, in order to increase the general quality, availability, and reliability of services provided; and , (B) in subparagraph (B)— (i) in clause (xv) by striking and at the end, (ii) in clause (xvi) by striking the period at the end and inserting ; and , and (iii) by adding at the end the following: (xvii) assist Head Start agencies in adopting evidence-based approaches to best identify and serve children whose experiences have elicited a toxic stress response. , (2) in subsection (b)(2)— (A) in subparagraph (F) by striking and at the end, (B) in subparagraph (G) by striking the period at the end and inserting a semicolon, and (C) by adding at the end the following: (H) in evidence-based trauma-informed practices, as well as early childhood mental health consultation and age-appropriate positive behavioral interventions and supports; and (I) in helping children who have experienced, or are experiencing, trauma or toxic stress. , and (3) in subsection (d)(1)— (A) in subparagraph (G) by striking and children under 3 years of age, where applicable and inserting children who experience trauma, and children under 3 years of age, especially for whom such experiences have caused a toxic stress response, including appropriate training and professional development on evidence-based trauma-informed practices and early childhood mental health consultation , (B) by redesignating subparagraph (I) as subparagraph (J), and (C) by inserting after subparagraph (H) the following: (I) Activities designed to prevent suspension and expulsion and to increase utilization of age-appropriate positive behavioral interventions and supports. .