This report presents the findings of the national evaluation of Community Assessment Centers (CAC) sponsored by the Office of Juvenile Justice and Delinquency Prevention (OJJDP). The report was prepared by the National Council on Crime and Delinquency (NCCD) for the years 1997 through mid-year 1999. The evaluation covers four sites, two planning and two implementation/enhancement sites. The full report describes and assesses program implementation and preliminary outcomes and provides detailed site-specific reports.