Primary school children sit in class and two girls hold up their hands.

Our Team, Our Opening Hours and How to Reach Us

Greetings from the Principal

Dear visitors

A very warm welcome to SIS Schönenwerd, a private bilingual day school with approximately seventy students, from kindergarten to Year 6. The school community is characterised by a personal and familiar multicultural environment and represents more than twenty nationalities. The bilingual educational concept of SIS Swiss International School has been successfully implemented here since 2000. Please take some time to explore our website and discover the many exciting facets of our school, and do not hesitate to contact us. I look forward to welcoming you and your family to SIS Schönenwerd!

Get to Know Our School Management Team

Portrait of Stefanie George
Stefanie George


More about Stefanie George

Stefanie George


Stefanie George took over the position of principal at SIS Schönenwerd in 2020 after working as vice-principal and as a teacher at SIS Zürich-Wollishofen. Prior to that, she taught German at the Zurich International School for seven years and managed the German department there. At the same time, she completed her further training to become a school principal. Before that, she worked at other international schools. Stefanie George grew up in Stuttgart in the south of Germany in an international family and completed her teacher training there. She then raised her two children in England and Germany with her English husband. She has now been living in Switzerland for many years and feels very much at home here. Every day she is delighted to see how quickly the children become comfortable in the bilingual world and enjoys supporting children on their learning journey.

Portrait of Ora Melles
Ora Melles

Head of Preschool and Primary

More about Ora Melles

Ora Melles

Head of Preschool and Primary

Ora Melles was raised in an international household. She received her bachelor's degree in general science and mathematics in 1996 and a master's degree in curriculum and instruction in 1997 from the University of Tennessee. In 2018, she completed her PhD in didactics at the University of Bamberg, Germany. Ora Melles was promoted to Head of Kindergarten and Primary in 2015. Prior to working in school management, she taught at SIS for five years. Before working in Switzerland, Ora Melles taught both adults and children in Israel, the United States and Great Britain. She strongly believes that an effective school should have a warm and welcoming climate, because students who know that the community cares about their academic and social well-being are motivated to produce their best work while striving to be their best selves.


Education Is a Valuable Resource, Which Is Why We Value Transparency


Education Is a Valuable Resource, Which Is Why We Value Transparency

SIS Swiss International School is a private educational institution that is financed solely from school fees and does not receive subsidies from the Swiss national or cantonal governments. We offer high-quality education as a service – and we are committed to offering this service in a transparent way.  


Learn more about the school fees

Two primary school girls sit at the desk in class and write something.

Teaching and Supervision Hours

At our day school, students are supervised between the hours of 7 a.m. and 6 p.m.


Before- and after-school care is offered in cooperation with FitzGerald Bilingual Day School.


The exact lesson and supervision times vary between the different year levels. 

Holiday Calendar 22/23

The school adheres to the official school holiday calendar of the canton of Solothurn.

Start of academic year 16 August 2022  
Autumn break 1 October to 23 October 2022  
Christmas break 24 December 2022 to 8 January 2023  
Winter break 4 February to 19 February 2023  
Spring break 8 April to 23 April 2023  
Summer break 8 July to 15 August 2023  


You are invited! Have a look at our upcoming events.

No events found.

SIS Schönenwerd

SIS Swiss International School

Schachenstrasse 24
5012 Schönenwerd

Phone: +41 62 312 30 30




Office Opening Hours

Monday to Friday: 8:30 a.m. to 4 p.m.

You Might Also Be Interested in This