National Board Certification is a voluntary process that allows teachers to demonstrate their expertise and commitment to the profession. It is awarded by the National Board for Professional Teaching Standards (NBPTS) and involves a rigorous assessment of a teacher's skills, knowledge, and practices. Achieving this certification can enhance a teacher's career opportunities and professional development. It is recognized as a mark of excellence in teaching and can lead to higher salaries in some states. The process typically includes submitting a portfolio of work and passing a series of assessments.