Youth PROMISE Act

Youth Prison Reduction through Opportunities, Mentoring, Intervention, Support, and Education Act or the Youth PROMISE Act - Amends the Juvenile Justice and Delinquency Prevention Act of 1974 to establish a PROMISE Advisory Panel to assist the Office of Juvenile Justice and Delinquency Prevention in: (1) assessing and developing standards and evidence-based practices to prevent juvenile delinquency and criminal street gang activity; and (2) collecting data in designated geographic areas to assess the needs and existing resources for juvenile delinquency and criminal street gang activity prevention and intervention.

Authorizes the Administrator of the Office of Juvenile Justice and Delinquency Prevention to award grants to local governments and Indian tribes to: (1) plan and assess evidence-based and promising practices for juvenile delinquency and criminal street gang activity prevention and intervention, especially for at-risk youth; and (2) implement PROMISE plans, developed by local PROMISE Coordinating Councils (PCCs), for coordinating and supporting the delivery of juvenile delinquency and gang prevention and intervention programs in local communities.

Establishes a National Center for Proven Practices Research to provide PCCs and the public current research and other information about evidence-based practices related to juvenile delinquency and criminal street gang prevention and intervention.

Directs the Administrator to award grants to hire and train law enforcement officers as youth-oriented police to work with PCCs, other community-based organizations, and high-risk youths. Establishes a Center for Youth-Oriented Policing.

Amends the Violent Crime Control and Law Enforcement Act of 1994 to authorize grants for the creation and expansion of state, local, and tribal juvenile witness and victim protection programs.

Extends and increases funding for juvenile accountability block grants through FY2013.