This document provides an introduction to the National Competency-Based Teacher Standards (NCBTS) in the Philippines. It explains that the NCBTS aims to provide teachers with a single framework that defines effective teaching. The NCBTS is organized into 7 domains that comprise an integrated view of teaching competencies. The domains cover social regard for learning, learning environment, diversity of learners, curriculum, planning and assessment, community linkages, and personal growth. The NCBTS is intended to guide teachers' professional development and help improve student learning outcomes.