Background: Research on children's play asserts that children's identities are performed and (re)formed in peer groups where they try out identities and make sense of their social worlds. Yet there are kinds of play (e.g., violence, gore, sexuality, and consumer culture) that are often hidden and taken underground, deemed inappropriate for public…

In order for students to be successful in school, strong foundations are needed at the earliest grades. In a district in central Mississippi, many students entering public school from Head Start were not able to identify alphabet letters or produce letter sounds, based on results of the 2011 Standardized Test for the Assessment of Reading (STAR).…

Project STAR (Student/Teacher Achievement Ratio) was a large-scale randomized trial of reduced class sizes in kindergarten through the third grade. Because of the scope of the experiment, it has been used in many policy discussions. For example, the California statewide class-size-reduction policy was justified, in part, by the successes of…

This guide begins with a story about the parents of twin kindergartners. The story models ways in which the parents of Mike and Chris help them learn to read, such as reading the newspaper together with them and asking them questions about the books they are reading. Included is another short story parents can read with their child, and a list of…

In this study we test the performance of some nonexperimental estimators of impacts applied to an educational intervention--reduction in class size--where achievement test scores were the outcome. We compare the nonexperimental estimates of the impacts to "true impact" estimates provided by a random-assignment design used to assess the…