Schools across the country are scanning students’ fingerprints so that they can pay for meals or check out books at the touch of a finger, reports Stateline.org–but a growing backlash from parents and civil libertarians has led some states to outlaw or limit the technology. In several cases when parents have objected, school districts have backed down, and some states have banned the technology altogether. Illinois is the only state that requires schools to get parental permission before scanning students’ fingerprints. Iowa has banned biometrics outright in schools, and Michigan doesn’t allow fingerprinting because of a 2000 attorney general opinion that it would violate state law. Arizona soon could join this group; last month, a state Senate committee passed a bill to ban the use of biometrics in schools…

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