Assesses effectiveness of three preschool curriculum models by examining the lives of 68 23-year-olds randomly assigned to one such group as economically disadvantaged preschoolers. Young people experienced fewer emotional problems and felony arrests if they had attended a preschool program based on child-initiated learning activities geared to…

Several schools that eschewed the middle school model and remained K-8 discovered anecdotally that their students showed fewer behavioral problems and higher academic achievement than many students enrolled in middle schools. On the basis of studies that verified these observations, school district leaders in Milwaukee, Baltimore, and Philadelphia…

In a four-year, longitudinal study conducted between 2000 and 2004, the author followed 700 students as they progressed through three high schools: a diverse, urban school as well as two suburban schools. Although incoming freshmen at the urban school scored significantly lower in mathematics than incoming students at the two suburban schools, by…