Background & Context: Accurate, reliable, and scalable measurement of classroom quality is critical to ensure that children benefit from early childhood programs. Early childhood classroom quality is most commonly measured using classroom observation tools serving multiple purposes including (1) teacher support (e.g., coaching, professional…

Most accountability policies monitor Head Start quality at the center level by selecting a subset of classrooms within a center to represent quality. This study explores variation in classroom quality in Head Start and implications for accountability systems and children's well-being. We find that one third to one half of the variation in quality…

This is the second in a series of policy notes and related publications exploring prospects for developing indicators of teaching quality. The first examined federal databases that include information about teachers, demonstrating that almost none of the measures in these datasets provides indication of teaching quality. This policy note takes the…