A new effort to create sustainable mental health training capacity within state and local juvenile justice systems will offer up to six sites an opportunity to be trained in the Mental Health Training Curriculumfor Juvenile Justice (MHTC-JJ). This project, which is jointly supported by the Office of Juvenile Justiceand Delinquency Prevention (OJJDP) and the John D. and Catherine T. MacArthur Foundation (MacArthur Foundation), will be conducted by the Mental Health and Juvenile Justice Collaborative forChange (Collaborative for Change) at the National Center for Mental Health and Juvenile Justice (NCMHJJ).