Charters help local public schools

New York City’s charter schools benefit neighborhood public schools, concludes a study by Marcus Winters, senior fellow at the Manhattan Institute.

. . .  for every 1 percent of public school students who leave for a charter, reading proficiency among those who remain increases by about 0.02 standard deviations. Math performance is unaffected. However, the lowest-performing students in a school benefit from charter-school competition in both math and reading.

Competition from charter schools pushes the local school to improve instruction for the remaining students, Winters suggests.

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