Mathematics teachers may join unions such as the American Federation of Teachers and the National Education Association. The National Board for Professional Teaching Standards offers national board certification. The National Council of Teachers of Mathematics is the leading professional organization for math teachers. Other membership organizations for mathematics professionals include the American Mathematical Society, Association for Women in Mathematics, and the Mathematical Association of America (which has a membership category for K–12 math teachers). The National Council for Accreditation of Teacher Education accredits postsecondary teacher education programs.
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