Norwegian National Academy of Ballet ended in 1996.
Houston Ballet Academy was created in 1955.
Korea National Ballet was created in 1962.
National Ballet of Rwanda was created in 1974.
Polish National Ballet was created in 2009.
American National Ballet was created in 2001.
Chilean National Ballet was created in 1945.
Hungarian National Ballet was created in 1884.
Dutch National Ballet was created in 1961.
Korea National Ballet Company was created in 1962.
Cuban National Ballet was created on 1948-10-28.
English National Ballet School was created in 1988.