Position Title. Marketing Manager. Immediate Supervisor. Head of School. Status/Classification. Full-Time, Year-Round Administrative Position/Exempt. Location. German International School Chicago, 1726 W Berteau Ave, Chicago, IL 60613. About the School. The German International School Chicago (GISC) is a private, nonprofit, bilingual IB World School, authorized by the International Baccalaureate Organization and accredited by the Independent Scho...