How Should We Rate Schools
Basic education unfortunately now depends significantly on a child's background. It is one of the reasons why the achievement gap persists and widens throughout the years of schooling. With shadow education provided by private tutors, extracurricular activities that the poor could not afford, learning resources that are not equally accessible, it becomes close to impossible to achieve equity in education.
In gauging how well a school performs, it is important to look at how much the school actually provides in learning. Doing so means taking into account how all students are performing. Taking one score, an average, often does not reveal the entire picture. This, in essence, is what Ushomirsky, Williams and Hall are pointing out in their recent research brief, "Making Sure All Children Matter":