Using data from the 2015-16 round of the Private School Universe Survey, I examine the types of private schools that decide to participate in school voucher programs in seven locations: Milwaukee, Wisconsin, Indiana, Ohio, Louisiana, D.C., and North Carolina. Regression analysis indicates that more specialized private schools tend to be less…

The system of education developed by Maria Montessori, noted Italian feminist, anthropologist and physician, is the single largest pedagogy in the world with over 22,000 public, private, parochial, and charter schools on six continents, enduring even as other teaching methods have waxed and waned. Despite its international diffusion and longevity,…