COLOGNE INTERNATIONAL SCHOOL – Internationale Friedensschule Köln Köln, Nordrhein-Westfalen Elementary SchoolGrundschuleGymnasiumInternatInternational Baccalaureate (IB)Internationale Schule
International School of Düsseldorf e.V. Düsseldorf, Nordrhein-Westfalen Elementary SchoolHigh School DiplomaInternational Baccalaureate (IB)Internationale SchuleSenior School
The Frankfurt International School e.V. Oberursel /Ts., Hessen Elementary SchoolPrimary SchoolUpper school