Missed this in February but it's worth linking to now. Fed Reserve Board Chief Ben Bernanke spoke to the Greater Omaha Chamber of Commerce and extolled the economic returns of high quality pre-kindergarten.

Although education and the acquisition of skills is a lifelong process, starting early in life is crucial. Recent research... has documented the high returns that early childhood programs can pay in terms of subsequent educational attainment and in lower rates of social problems, such as teenage pregnancy and welfare dependency. The most successful early childhood programs appear to be those that cultivate both cognitive and non-cognitive skills and that engage families in stimulating learning at home.