This report claims that charter schools in the "Big Eight" urban school districts in Ohio are producing greater achievement gains, increasing revenues in the traditional public schools of these districts, and operating at lower costs.
The report reviewed is available at: http://epsl.asu.edu/epru/ttdocuments/EPRU-0607-402-OWI.pdf
Glass, G. (2006). Review of "The Financial Impact of Ohio's Charter Schools." Boulder and Tempe: Education and the Public Interest Center & Education Policy Research Unit. Retrieved [date] from http://epicpolicy.org/thinktank/review-the-financial-impact-ohios-charter-schools