http://www.sacbee.com/content/news/educati...-13498391c.html

For the RAND report.

http://www.rand.org/pubs/monographs/2005/RAND_MG349.pdf

The RAND group says that if California was to spend 1.7 billion bucks a years on Universial preschool it would get 2.7 Billion in benifits back. They say it reduce the number of students held back in school, increase the number of high school graduates and slash the number of children who land in the juvenile justice system.