Gary Rubinstein writes here about podcasts in which Chris Stewart of Education Post interviews Robert Pondiscio and Eva Moskowitz.

Gary has made a practice of scrutinizing the data that is available from the Success Academy charter chain, noting the high attrition rate from those who enter in the early grades to those who remain to graduate high school. There is attrition even in the final year of high school, which is somewhat surprising. Perhaps even more surprising is the imbalance among the graduates based on gender: there are far more females than males. What happened to the boys?