The CLASS-PreK instrument is widely used to evaluate early childhood classrooms, but how classrooms using Montessori, the world's most common alternative education system, fare on CLASS is understudied. Because CLASS focuses largely on teacher-child interactions as the situs of learning, but in Montessori theory, child-environment interactions are…

Previous research suggests that the ways in which early childhood classrooms are organized may facilitate children's language learning. However, different measures of classroom organization often yield inconsistent findings regarding child outcomes. In this study, we investigated multiple aspects of classroom organization across two time points in…

Classroom organization is an important facet of prekindergarten quality but is typically measured at a "global level" and as a "single construct." Little is known about how experiences of different facets of classroom organization--namely, exposure to teacher organizational strategies--vary across "individual…