There is considerable variation in state policies related to the certification required for teachers in kindergarten and first grade, and relatively little is known about these policies' effects on student learning. This study considers whether children who have kindergarten and first-grade teachers with certification in early childhood education…

This study examined the associations between four types of childcare quality (i.e. teacher-child closeness, frequency of math-related activities, and teacher education and experience) and preschoolers' residualised gain in math over the course of six months. Additionally, potential interactions between teacher-child closeness and other indicators…