SIS Swiss International School
The SIS Swiss International Schools are a group of 19 private day schools in Switzerland, Germany, Brazil and Italy offering continuous education from kindergarten through to college. As of 2024, more than 5,000 students are enrolled with the SIS.
SIS has been operating schools in Switzerland since 1999, in Germany since 2008, and in Brazil since 2011. It is a joint venture of Kalaidos Education Group and Klett Group.
Schools in Switzerland
| Campus | Founded | Levels Offered | # of Students | Comments |
| Basel | 1999 | Kindergarten Primary School Secondary School College | 700 | offers the cantonal and Swiss Matura and the IB |
| Männedorf | 2009 | Kindergarten Primary School | 102 | |
| Freienbach-Pfäffikon | 2016 | Kindergarten Primary School Secondary School | 110 | |
| Risch-Rotkreuz | 2012 | Kindergarten Primary School Secondary School | 100 | |
| Schönenwerd | 2010 | Kindergarten Primary School Precollege | 80 | |
| Winterthur | 2001 | Kindergarten Primary School | 100 | |
| Zurich | 2005 | Kindergarten Primary School Secondary School College | 272 | offers the cantonal Matura and the IB |
| Zurich-Wollishofen | 2000 | Kindergarten Primary School | 230 |
Schools in Germany
| Campus | Founded | Levels Offered | # of Students | Comments |
| Stuttgart-Fellbach | 2008 | Kindergarten Primary School Secondary School | 426 | offers the German Abitur and the IB |
| Friedrichshafen | 2009 | Kindergarten Primary School Secondary School | 247 | offers the German Abitur and the IB |
| Ingolstadt | 2009 | Kindergarten Primary School Secondary School | 224 | offers the German Abitur and the IB |
| Kassel | 2014 | Reception Class Primary School Secondary School | 184 | will offer the German Abitur, IB is projected |
| Regensburg | 2010 | Kindergarten Primary School Secondary School | 140 | offers the German Abitur and the IB |
| Berlin | 2016 | Kindergarten Primary School Secondary School | 250 | offers the German Abitur and the IB |
| Frankfurt | 2020 | Primary School | opening 2020/2021, Secondary School is projected |
Schools in Brazil
| Campus | Founded | Levels Offered | # of Students | Comments |
| Brasília | 2011 | Kindergarten Primary School Secondary School | 120 | will offer the Brazilian ENEM, IB is projected |
| Rio de Janeiro Escola Suíço-Brasileira Rio de Janeiro | 2014 | Kindergarten Primary School Secondary School College | 680 | offers the Brazilian ENEM and the IB |
| Escola Nova by SIS Swiss International School | 2022 | Kindergarten Primary School Secondary School College | 900 | offers the Brazilian ENEM and the IB |
Schools in Italy
| Campus | Founded | Levels Offered | # of Students | Comments |
| Milan | 2024 | Kindergarten Primary School | 0 |