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The in-service suites from the National Center on Quality Teaching and Learning (NCQTL) are designed to support professional development activities related to engaging interactions and environments. They are part of the foundation of the Framework for Effective Practice. The Crosswalk of NCQTL In-service Suites with the CLASS® connects teaching practices and learning activities found in these in-service suites with the domains and dimensions of the Classroom Assessment Scoring System (CLASS)®. Head Start grantees may find this tool useful in planning professional development.

CLASS® Domains and Dimensions

Classroom Organization

Emotional Support

Instructional Support


Last Reviewed: June 2013

Last Updated: October 20, 2015