To date, there have been few causally interpretable evaluations of the impacts of preschool curricula on the skills of children at-risk for academic difficulties, and even fewer studies have demonstrated statistically significant or educationally meaningful effects. In this cluster-randomized study, we evaluated the impacts of a literacy-focused…

A growing body of research is emerging that investigates the teacher knowledge base essential for supporting reading and writing development at the elementary school level. However, even though increasing recognition is given to the pivotal role that preschool teachers play in cultivating children's early literacy development, considerably fewer…

The study examined the efficacy of an intensive form of professional development (PD) for building the knowledge of first-grade teachers in the areas of phonological awareness and phonics. The PD featured frequent in-class support from highly knowledgeable mentors for one school year, in addition to an introductory two-day summer institute and…