Increased emphasis has been placed on children's ability to enter kindergarten ready to learn, a concept referred to as "school readiness." School readiness has been defined by the Maryland State Department of Education as "the stage of human development that enables a child to engage in, and benefit from, primary learning…

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…