Why A Principal Created His Own Currency

He created incentives that 11-year-olds could relate to. (Somehow, "Come to school and you'll be better off in 20 years," just wasn't working.)

Source: http://www.npr.org/blogs/money/2012/12/14/167194092/how-a-middle-school-principal-convinced-students-to-come-to-school?ft=1&f=1006

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