SIS Swiss International School is a growing international network of private day schools, operated as part of the Klett Group. Its schools serve local and internationally mobile families, with around 5,000 students across 20 locations in Switzerland, Germany, Brazil and Italy. The group’s educational programme spans kindergarten, primary, secondary school and college, offering continuity through the stages of a student’s education.

Bilingual learning is central to the SIS approach: English and the national language are used equally in classroom instruction and everyday school life. Students can prepare for national school-leaving qualifications and, at college level, may also pursue the International Baccalaureate Diploma Programme. The schools provide structured day-school programmes, including lunch, supervised homework and additional courses. Teaching combines an independent, values-centred approach with purposeful use of technology, digital skills and media education.

SIS emphasizes academic achievement, personal responsibility, international exchange and local insight. It also offers career opportunities for teachers and specialists, supported by professional development and collaboration across its network.