Very interesting article on early education, teacher exp, and class sizes. Esp if you look at the data.

Very interesting article on early education, teacher exp, and class sizes. Esp if you look at the data.

Article:
http://www.nytimes.com/2010/07/28/business/economy/28leonhardt.html?_r=1

Data:
http://obs.rc.fas.harvard.edu/chetty/STAR_slides.pdf