Founded in 1987, National Board for Professional Teaching Standards is an independent, nonprofit organization that advances the teaching and learning standards. It offers more than 25 certificates that cover a variety of subject areas and student developmental levels. The organization provides an online store that offers a variety of professional materials, apparel, publications and videos. National Board for Professional Teaching Standards additionally offers Take One!, which provides standards-based approach that improves teaching practices and links student learning to effective instruction. It offers a professional development opportunity for teachers. The organization organizes various events, including Higher Education Invitational Conference. Headquartered in Arlington, Va., National Board for Professional Teaching Standards maintains more than 10 locations in the United States.