In the fall of 2010 the faculty of Baker Demonstration School began a yearlong exploration of the question "How do we know what children know?" At that time, three teacher colleagues already had entered upon a collaborative project integrating music and drama with a unit of study in the second and third grades. They decided to carefully…

The focus of the achievement gap seems to be less about racial and ethnic distinctions and more about disparities in socioeconomic status. Students from affluent and secure backgrounds have a running head start on students mired in poverty. Few young people in the United States live in more challenging conditions than the children of the eastern…