Is nyclex nursing exam valid in all states?

The NCLEX (National Council Licensure Examination) is the licensing exam for nurses in the United States and Canada. It is not specific to New York State. NCLEX is a standardized test that is administered by the National Council of State Boards of Nursing (NCSBN). all 50 U.S. states, the District of Columbia, Guam, Puerto Rico, the U.S. Virgin Islands, and Canada require passing the NCLEX for initial licensure as a registered nurse (RN).