"Earlier this week, Mayor Michael Bloomberg flexed his muscles by threatening to close F schools as early as June. He quipped, "Is this a wake-up call for the people who work there? You betcha."
Through analyzing these data, I've concluded that the people in need of a wake-up call work not at F schools, but at the NYC Department of Education....There are five reasons the report cards might kindly be called statistical malpractice".
One statistical anomaly she points to: the grades received by the schools that run from 6-12th grades. Of the 33 schools, 22 have different grades at the middle and high school level -- many of them sharply different. Examples?
Clearly the grades these schools received reveal nothing useful about the leadership or the overall quality of the school, as the administration would maintain.