The Classroom Assessment Scoring System© (CLASS) is a research-based observation tool used to help teachers and schools improve the quality of classroom interactions. 

CLASS measures the quality of classroom interaction processes and the overall classroom experience based on all adult and child participants

CLASS observations are conducted in 4 or more cycles. Each cycle consists of: one 20-minute observation period and one 10-minute recording period

Class Domains:

• Emotional Support

• Classroom Organization

• Instructional Support