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Cowan, James; Goldhaber, Dan – Center for Education Data & Research, 2015
We study the effectiveness of teachers certified by the National Board for Professional Teaching Standards (NBPTS) in Washington State, which has one of the largest populations of National Board Certified Teachers (NBCTs) in the nation. Based on value-added models in math and reading, we find that NBPTS certified teachers are about 0.01-0.05…
Descriptors: National Standards, Alternative Teacher Certification, Teacher Effectiveness, Mathematics Achievement