Several Zimbabwean sign languages developed independently among deaf students in different
Zimbabwe
file:Zimbabwe, relief map.jpg, upright=1.22, Zimbabwe, relief map
Zimbabwe, officially the Republic of Zimbabwe, is a landlocked country in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Bots ...
an schools for the deaf starting in the 1940s. It is not clear how many languages they are, as little research has been done; Masvingo School Sign is known to be different from that of other schools, but each school apparently has a separate sign language, and these are different from the community language or languages used outside of the schools.
[ "Sign language", without further clarification, became one of Zimbabwe's official national languages with the Constitution of 2013.]
References
Sign language isolates
Languages of Zimbabwe
Language isolates of Africa
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