; (5) to facilitate the incorporation of tribal cultural or traditional practices designed to reduce delinquency among Indian youth into Federal, State, or other unit of local government juvenile justice systems or programs; (6) to develop or incorporate in existing programs partnerships among State educational agencies, local educational agencies, and Bureau-funded schools (as defined in section 1141 of the Education Amendments of 1978 ( 25 U.S.C. 2021 )); and (7) to conduct research and evaluate— (A) the number of Indian juveniles who, prior to placement in the juvenile justice system, were under the care or custody of a State or tribal child welfare system and the number of Indian juveniles who are unable to return to their family after completing their disposition in the juvenile justice system and who remain wards of the State or Indian tribe; (B) the extent to which State and tribal juvenile justice systems and child welfare systems are coordinating systems and treatment for the juveniles referred to in subparagraph (A); (C) the types of post-placement services used; (D) the frequency of case plan reviews for juveniles referred to in subparagraph (A) and the extent to which these case plans identify and address permanency and placement barriers and treatment plans; (E) services, treatment, and aftercare placement of Indian juveniles who were under the care of the State or tribal child protection system before their placement in the juvenile justice system