From tuition vouchers for private schools to charter schools to voluntary transfer programs within and between public school systems, school choice has been at the center of the school reform debate for two decades. But with the voucher movement unable to sustain much momentum, charter schools still serving a small percentage of the nation's…

As Minnesota's experience shows, school choice is not the panacea that John Chubb and Terry Moe have proclaimed. However, introducing a marketplace into public education helps create the accountability that school reformers have sought, even as it diminishes the necessity for prescriptive mandates. When students choose their schools, they…