Düsseldorf-Oberkassel

[2] Oberkassel is an economically well-situated borough with an average income of 61.465 Euro[3] and an unemployment rate below 5%.

[citation needed] The settlement Heerdt was first mentioned was in the 9th century CE.

[citation needed] A large part of Düsseldorf's Japanese population lives in Oberkassel.

The secondary school, the Maximilian-Kolbe-Schule in the old Comenius-Gymnasium building, located on the district border with Niederkassel, was closed at the end of the 1990s.

The building is now home to the branch on the left bank of the Rhine of the city's Clara Schumann Music School.