JUMP Ahead Act of 1997 - Amends the Juvenile Justice and Delinquency Prevention Act of 1974 (JJDPA) with respect to juvenile mentoring grants. Specifies goals for the grant program and limits the amount and duration of grants. Authorizes appropriations. Authorizes the Administrator of the Office of Juvenile Justice and Delinquency Prevention of the Department of Justice to make youth mentoring program implementation and evaluation grants to national organizations or agencies serving youth. Authorizes appropriations. Directs the Attorney General to: (1) contract with an evaluating organization for an ongoing evaluation of the programs and activities assisted under this Act or under JJDPA; (2) establish minimum criteria for evaluating such programs and activities; and (3) annually designate a program or activity assisted under this Act as the Juvenile Mentoring Program of the Year. Requires each grant recipient under this Act or under JJDPA to report annually to the evaluating organization on any program or activity so assisted. Requires a report to the Congress evaluating such grants.