More on That Study of Bayou Charter Schools

Our data-sharing agreement only provided enough data to evaluate the program’s first-year effects following statewide expansion.

March 24, 2016 3:09 pm ET

Regarding your March 19 editorial “Back to Bad Schools in the Bayou” which references a National Bureau of Economic Research study that my colleagues Atila Abdulkadiroglu, Christopher Walters and I authored on the Louisiana Scholarship Program: We vehemently object to your accusation that we refused to check out more recent data and your allegation of “research malpractice.”

Our research was conducted with the full cooperation of the Louisiana Department of Education (LDE). We have no agenda for or against choice, and our work...