The highly anticipated toddler version of the CLASS¿ 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 ¿ Identifies challenges and helps identify areas for improvement ¿ 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.