; and (2) by adding at the end the following: Of the amounts appropriated under this subsection for each of fiscal years 2018 through 2022, $7,500,000 shall be allocated to the operation of the coordinating center of the National Child Traumatic Stress Initiative for purposes of gathering and reporting data, evaluating models, and providing technical assistance. . II Dissemination and implementation of best practices 201. Use of grant funds for training in best practices relating to child and youth trauma and community support (a) Head Start Act (1) In general Section 640(a) of the Head Start Act ( 42 U.S.C. 9835(a) ) is amended— (A) by redesignating paragraph (7) as paragraph (8)