School effectiveness cannot be assessed by comparing group performances on standardized tests. Instead, each child's progress, in accordance with his or her capabilities, should be measured. Certain assessment models can help chart individuals' progress in reading and writing. Focusing on individual results enchances collective program assessment.…

A group's average test score is often used to evaluate different educational approaches, curricula, teachers, and schools. Studies of group test scores over time often try to measure "value-added" by holding constant certain student characteristics such as race, parents' education, or socioeconomic status; however, the important…