The Classroom Assessment Scoring System (CLASS) describes ten dimensions of teaching that are linked to student achievement and social development. Each dimension falls into one of three board categories: emotional support, classroom organization, and instructional support.
Every day, teachers make countless real-time decisions and facilitate dozens of interactions between themselves and their students. Although they share this commonality, educators all over the country often talk about these decisions and interactions in different ways. The Classroom Assessment Scoring System (CLASS), developed at the University of Virginia’s Center for Advanced Study of Teaching and Learning, helps educators view classrooms through a common lens and discuss them using a common language, providing support for improving the quality of teacher-student interactions and, ultimately, student learning.