GreatSchools, a San Francisco non-profit organization, recently ranked cities according to school performance and city affordability. According to GreatSchools the rankings were done to assist parents who might be looking for a new city for their kids’ education. Among cities with more than 300,000 people Pittsburgh ranked seventh. As usual, a more in-depth look at the city school rankings shows Pittsburgh’s high ranking reflects deep flaws in the GreatSchools methodology.