http://cpsobsessed.com/2011/05/22/th...2-school-year/
And some even older discussion.
http://cpsobsessed.com/category/pre-school/
Any more recent news?
Also, here are the CPS pages --
http://www.cps.edu/Programs/Academic...Childhood.aspx <- Kindergarten and Preschool Options
http://www.cps.edu/Schools/Preschool...oolforall.aspx <- Preschool for All