Duborg-Skolen is a Danish non-denominational secondary school with Sixth Form 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 at native-speaker level. All other topics are instructed in Danish. Its buildings are located in the Flensburg district of Duburg (Danish: Duborg), hence the name, and operated by the (Danish School Association for Southern Schleswig).