Classroom Assessment Scoring System™ (CLASS™) Manual, Toddler

The highly anticipated toddler version of the CLASSTM tool is here providing early childhood programs with an accurate, reliable way to assess effective classrooms. For use with children from 15 36 months, this standardized observation tool measures the effectiveness of interactions between teachers and children, a primary ingredient of early educational experiences that prepare children for future school success.
The first tool to measure teacher child interactions for the toddler age group, CLASS Toddler

covers two crucial domains of teacher child interaction: Emotional and Behavioral Support and Engaged Support for Learning


provides developmentally appropriate descriptions of what effective interactions look like in toddler classrooms


establishes an accurate, complete picture of classroom interactions through brief, repeated observation and scoring cycles


highlights areas of strength and areas for improvement useful for guiding improvement efforts


identifies challenges and helps identify areas for improvement


provides important information related to programs' most urgent needs: accountability, professional development, and research


has been used in several state evaluation systems and for national evaluations of Early Head Start
With this must-have observation tool, early childhood programs now have a reliable way to assess quality and gather the information they need to improve teaching and learning.



Reliable use of the CLASSTM tool requires training. The two-day CLASSTM Observation Training prepares observers to use the measure accurately and culminates with a test and one-year CLASSTM observer certification.