Tandem International Multilingual School runs three multilingual schools in and around Zurich, which consists of primary schools, kindergarten, pre-schools and nurseries. Tandem IMS was founded in August 2004 in Uetikon am See by a non-profit organisation. Today, Tandem IMS employs more than seventy employees for over two hundred children in Erlenbach, Zollikon and the city of Zurich.