The Perry Pre-School Project
community crime prevention - a project for disadvantaged black children in michigan, 3-4 year olds were offered a two year intellectual enrichment program which also involved home visits
longitudinal study followed progress and found by age 40
they had significantly fewer arrests for violent crime, property crime and drugs
more had graduated from high school and were employed
it is calculated that for every dollar spent on the program $17 was saved on state costs