There is a significant body of research that has identified what works to reduce juvenile offending. For an intervention to be deemed successful it must have been independently evaluated across a number of jurisdictions.
Central to this body of work is that for any intervention plan to be successful it must be tailored to suit the juvenile's risks, needs and responsivity factors. That is, a one-size-fits-all approach to intervention will not be effective. Another important factor is that the most successful intervention programs target both individual and family risk factors.
There are a number of things that have been found to be successful in reducing the offending behaviour in juveniles.
There are also interventions that have been found not to be successful: