Juvenile and domestic relations district courts; mental health and social assessments. Provides that a juvenile and domestic relations district court has the authority to order preliminary mental health and social assessments and further screenings, if necessary, for certain cases involving a child. If a juvenile is found to be delinquent, the bill also provides that a juvenile and domestic relations district court has the authority to place such juvenile on probation and order treatment or services for mental illness or developmental disability through a program licensed by the Department of Behavioral Health and Developmental Services. Finally, the bill requires in certain circumstances that a juvenile and domestic relations district court provide information to a juvenile's parent or legal guardian regarding the Parent Educational Advocacy Training Center.