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SIS Group

A Growing International Network of Bilingual Schools

SIS Swiss International School is part of one of Europe’s largest education groups and belongs to an international network of bilingual schools across Switzerland, Germany, Brazil, and Italy. To remain among the best in our field, we are committed to a solid, sustainable business model that supports quality teaching and long-term growth.
Our history

From Pioneers to Experts in Bilingual and International Education

Founded in 1999 in Switzerland, SIS expanded to Germany and Brazil, and now Italy.
Over the years, we have evolved from pioneers into established experts in bilingual education—building a consistent, high-quality approach that we continue to scale as the group grows.

1999

The foundations for SIS bilingual education in Switzerland are laid

The first bilingual lesson is held at Minerva Volksschule Basel primary school. This school will become SIS Basel in the future. The idea of a bilingual school with immersive teaching is born.

2004 - 2006

Expansion in Switzerland

The foundations are laid for the future schools of SIS Zurich-Wollishofen, SIS Winterthur and SIS Zurich.

2008

The first steps are being taken in Germany

The ‘SIS Swiss International School’ brand is established and the first SIS school in the country opens its doors in Stuttgart.

2009 + 2010

Years of growth in Germany and Switzerland

In 2010, the SIS Männedorf-Zürich and SIS Schönenwerd campuses opened in Switzerland. In Germany, the SIS Regensburg, SIS Ingolstadt and SIS Friedrichshafen campuses welcomed their first students.

2011

Expansion into Brazil and first diplomas in Switzerland

SIS Brasilia opens its doors, while at SIS Zürich the first Year 13 students graduate with a bilingual Matura diploma. Some students also obtain the International Baccalaureate (IB) diploma.

2014

ESB Rio de Janeiro joins the SIS network

Retaining its identity but taking the name Escola Suíço-Brasileira Rio de Janeiro by SIS Swiss International School. In Germany, it appears to be the headquarters of SIS Kassel.

2016

Strong network of SIS schools

The first edition of our annual sports event, the SIS Cup, is held at the SIS Basel campus. The SIS Pfäffikon-Schwyz campus opens in Switzerland. In Germany, SIS acquires Internationale Schule Villa Amalienhof, which changes its name to SIS Berlin.

2020

Remote learning

Thanks to our solid network of schools and the continuous optimisation of procedures through the use of technology, SIS is quickly adapting to the distance learning model made necessary by the Covid-19 pandemic. In Germany, the SIS Frankfurt campus opens its doors and welcomes its first students.

2022

Expansion in Italy and new headquarters in Brazil

Escola Nova in Rio de Janeiro joins the SIS Group and continues its activities under the name Escola Nova by SIS Swiss International School. Foundation of SIS Swiss International Schools Italia as a joint venture between Kalaidos Swiss Education Group and Happy Child SRL.

2023

Commitment to Climate Neutrality by 2029

After analysing emissions, our business units in Switzerland, Germany and Brazil developed strategies to reduce CO2 emissions, with the goal of fully offsetting residual emissions by 2029. In addition, we introduced sustainability best practices in SIS schools by launching student-led projects at each of our locations.

2024

Opening of two more schools

The first SIS school in Italy welcomes children to SIS Milano-Basiglio. In Switzerland, SIS Basel-Allschwil opens its doors. Change in corporate structure. As of 1 January 2025, the SIS Swiss International Schools Group will leave the Kalaidos Swiss Education Group and be integrated directly into the Klett Group, within its business unit for kindergartens and schools.
SIS Educational Concept

What Connects Us

Our students and their learning needs are at the centre of everything we do.
To make this a daily reality across all campuses, we follow an eight-pillar framework that integrates pedagogy, didactics, values, community, and continuous improvement.

Bilingual experience
International approach - local culture
Value-centred approach
Continuous education from nursery school to secondary school
A real community
Technology-enhanced learning
Diversity as a strength
International network
Discover our Educational Concept
Sustainability

Together, We Empower Change for Sustainable Living

As an educational institution, we are aware of our responsibility regarding sustainability. The impact of SIS Swiss International School extends beyond operations and includes, in particular, what and how we teach in schools, which ultimately influences future generations.

For this reason, the national companies of the SIS Group approach sustainability strategically from two directions. Firstly, they monitor their CO2 emissions and work continuously to reduce them, with the long-term goal of achieving net zero. Secondly, as part of our educational philosophy, we promote a sustainability-oriented attitude that takes into account social, environmental, cultural and economic factors.
Towards Net Zero 2050
Education for Sustainable Development (ESD)
How to register 

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We accept applications all year round. If you have any questions, please contact the school office: we look forward to meeting you.

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