Parents struggle with kindergarten readiness, seeking advice from early childhood educators. The author offers suggestions for helping with this decision, along with definitions of readiness, accountability pressures, and "redshirting." The article compares maturationist assumptions with current research, concluding that delaying kindergarten…

The impact of date of birth on cognitive test scores is well documented across many countries, with the youngest children in each academic year performing more poorly, on average, than the older members of their cohort (see, for example, Bedard and Dhuey (2006) or Puhani and Weber (2005)1). However, relatively little is known about the driving…