Great news about using chess to improve reading and math scores.
In a recent study by the University of Wisconsin, Chess Academy has been shown to be one of the tutoring providers with 4 years of high impact (statistically significant test gains) on both reading and math standardized test scores.
The link is here: http://thechessacademy.org/CPSChessAcademySESproviderimpacts2013.pdf (includes link to study).