This article describes a novel effort in New York City, the Learning Partners Program, which matches veteran principals with two or more newer ones. In 2014-15, the first full year of the effort, the city's Department of Education put 73 of the city's more than 1,800 schools into 23 groups of threes and one group of four. Every group comprised one…

The teachers described here represent four categories of teacher response that staff developers often confront when working with teachers on differentiating instruction. Some teachers respond with enthusiasm; others respond with frustration and sometimes even anger. The mixed responses from teachers are understandable; for many teachers,…