; and (hh) based on vetted and proven materials that have been tested over a 3-year run of success; (II) training students, teachers, or school personnel in identification and proper response to human trafficking described in paragraph (1); and (III) creating a scalable, repeatable Train the Trainer program (defined as a program that trains instructors who can teach material to other instructors) that employs appropriate technology tools and methodologies, including measurement and training curricula. (4) Grants (A) In general In carrying out the demonstration project under this subsection, the Director shall award grants to eligible entities to implement the training described in paragraph (1) in accordance with the curricula developed and made available by verified vendors pursuant to paragraph (3). (B) Diversity of grants In awarding grants under this subsection, the Director shall— (i) consult with the Director of the Bureau of Justice Assistance, the Administrator for the Office of Juvenile Justice and Delinquency Prevention, the Director of the Office for Victims of Crime, and the head of the Office of Partnership and Engagement of the Department of Homeland Security to identify the geographic areas in the United States with the highest prevalence of reported human trafficking instances for children, aged 5 through 17; (ii) consult, as appropriate, with the Secretary of Education, the Secretary of Housing and Urban Development, the Secretary of Labor, and the Attorney General of the United States to identify the geographic areas in the United States with the highest prevalence of at risk, vulnerable, or underserved populations, including homeless youth, foster youth, youth involved in the child welfare system, and runaways