Ten weeks ago, I made some predictions about New York City’s 2013 proficiency rates on the New York State English Language Arts and mathematics assessments—the first New York tests to be aligned with the challenging Common Core State Standards adopted (more or less) by about 45 states across the country, Aaron Pallas blogs. I relied on just two bits of information: (1) New York City’s 2012 proficiency rates; and (2) what happened in Kentucky when it shifted from its previous assessments to Common Core-aligned assessments. The predictions were not based on any knowledge of the specifics of the new assessments in New York, or what the Big Apple’s teachers were doing in their classrooms…