In a post last week over at Flypaper, the Fordham Institute’s Terry Ryan took a “frank look” at the ratings of the handful of Ohio charter schools that Fordham’s Ohio branch manages. He noted that the Fordham schools didn’t make a particularly strong showing, ranking 24th among the state’s 47 charter authorizers in terms of the aggregate “performance index” among the schools it authorizes. Mr. Ryan takes the opportunity to offer a few valid explanations as to why Fordham r...