The CLASS 2nd Edition: Pre-K-3rd Manual Set provides both a printed version of the Reference Manual and the Observation Field Guide, as well as CLASS 2nd Edition Score Sheet Booklets (5 pack), providing comprehensive support, and a cost savings!
The CLASS 2nd Edition: Pre-K - 3rd Reference Manual contains the research and theory behind the CLASS tool, and provides additional insight and guidance in using CLASS within a CQI process and system.
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