Delta Secondary School Windhoek previously known as Deutsche Oberschule Windhoek, is a government secondary school in Namibia. Situated in the capital Windhoek, it was separated from its younger counterpart Delta School Windhoek, formerly kno…Delta Secondary School Windhoek previously known as Deutsche Oberschule Windhoek, is a government secondary school in Namibia. Situated in the capital Windhoek, it was separated from its younger counterpart Delta School Windhoek, formerly known as German School Windhoek, in January 1975.