This brief summarizes findings from several research articles that focus on the National Board for Professional Teaching Standards (NBPTS). This work focuses on three key questions: Who applies for and becomes National Board certified? Where do National Board Certified Teachers (NBCTs) teach? Are they more effective than other teachers? The findings suggest that: (1) teachers are less likely to become certified if teaching disadvantaged students; (2) NBCTs are more effective than noncertified NBPTS-applicants and nonapplicants; and (3) the mobility patterns of NBCTs decrease the chances that low-performing students will be taught by a teacher with this credential.

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