National Education Association

National Education Association (NEA), American voluntary association of teachers, administrators, and other educators associated with elementary and secondary schools and colleges and universities. It is the world’s largest professional organization. Its headquarters are in Washington, D.C. The association originated in 1857 as the National Teachers Association, which merged in 1870 with the National Association of School Superintendents and the American Normal School Association to form the National Education Association. Its membership exceeded 2.5 million in...