The focus on improving children's readiness for kindergarten has intensified globally. While most studies examine this issue prior to children entering kindergarten, little is known about how education stakeholders make sense of readiness once children enter kindergarten. This article addresses this gap by examining how a range of stakeholders…

This paper provides practical guidance for researchers who are designing and analyzing studies that randomize schools--which comprise three levels of clustering (students in classrooms in schools)--to measure intervention effects on student academic outcomes when information on the middle level (classrooms) is missing. This situation arises…