This article is a commentary for the special issue on the Early Development Instrument (EDI), a community tool to assess children's school readiness and developmental outcomes at a group level. The EDI is administered by kindergarten teachers, who assess their kindergarten students on 5 developmental domains: physical health and well-being, social…

The Early Development Index (EDI) is a teacher-completed checklist, intended to be a population-level tool to measure children's readiness for school and to alert communities to potential developmental problems in children. In response to the increasing popularity of the EDI, this paper provides a critical and timely evaluation and identifies the…

The purpose of this article is to develop, validate, and field test two readiness assessment instruments, "Schools Ready for Children" and "Children Ready for School." The authors first describe the development of the assessment instrument dealing with policies and practices of "ready" schools. The items on this…