Another look at Indiana voucher study

Much of initial reporting on a groundbreaking study of Indiana’s school voucher program, including mine, suggested that voucher students do OK academically if they stay in private schools for four years. But a closer look raises questions about that narrative.

The study’s headline finding is that voucher students, on average, fall significantly behind their public-school peers in math performance while faring about the same in English/language arts. Given what we know, that’s really the message policymakers and the public should take from the research.

The study, by Joe Waddington of the University of Kentucky and Mark Berends of the University of Notre Dame, was released Monday. Its findings were covered by National Public RadioChalkbeatEducation Week, the Indianapolis Star and the Fort Wayne Journal-Gazette. A headline in the Washington Post was typical: “School voucher recipients lose ground at first, then catch up to peers, studies find.”

But the students who “catch up” are only a handful among voucher students included in the study. The study analyzed test scores for 3,913 students who received vouchers during the first four years of the Indiana program, from 2011-12 to 2014-15. But they had four years of test-score data for only about 5 percent of those students.

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