Wikipedia
Duborg-Skolen is a Danish secondary school undenominational school with gymnasial extension located in Flensburg, Germany. It is one of a number of schools operated by members of the Danish minority of Southern Schleswig, and it is the leading school for this community.
The school teaches both Danish and German on a native-speaker level. All other topics are instructed in Danish.
Duborg-Skolen was established in 1924 as a Danish realskole and in 1958 it was recognized as a undenominational school with gymnasial extension. The curriculum enables its students to continue education in both Germany and Denmark.
Its buildings are located in the Flensburg district of Duburg (Danish: Duborg), hence the name, and operated by the Dansk Skoleforening for Sydslesvig (Danish School Association for Southern Schleswig)