(National Center for Policy Analysis) The University of Texas-San Antonio studied the effects of the voucher program in the Edgewood school district. The Texas Education Agency uses student performance on standardized tests to classify each public school as exemplary, recognized, acceptable or unacceptable. The second year after the vouchers were introduced – the 1999-2000 school year – was the first year that Edgewood had an exemplary school. In fact, Edgewood went from zero exemplary schools to three in 1999-2000. From 1998 to 2008, the number of recognized Edgewood campuses tripled from three to nine, and the single unacceptable campus was reclassified as acceptable. Furthermore, Edgewood significantly increased its high school graduation rate. (Read the full study in PDF)