Admissions Contact
Kindergarten children sit together with the teacher at the table. The children listen attentively.

Our Team, Our Opening Hours and How to Reach Us

Greetings from the Principal

Dear visitors

A very warm welcome to SIS Zürich-Wollishofen, a private bilingual day school with approximately 220 students from kindergarten to Year 6. The school community is characterised by a vibrant and nurturing 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 Zürich-Wollishofen!

Get to Know Our School Management Team

Portrait of Ryan Howard
Ryan Howard


More about Ryan Howard

Ryan Howard


Ryan Howard became principal of SIS Zürich-Wollishofen in 2019. Since starting at SIS in 2008, he has held several positions, including classroom teacher, IT coordinator and IT teacher trainer. Before taking over as principal, he served as the vice-principal, starting in 2015. Ryan Howard has taught at middle and high school levels in the United States and primary school in Guatemala.

Ryan Howard was born and raised outside of Columbus, Ohio, USA. After acquiring a bachelor's degree in elementary education with a minor in Spanish, he later obtained a K-12 Spanish teaching license. He also has a master's degree in educational curricula and instruction.

Guiding children on their path to becoming responsible and reflective adults while fostering their natural curiosity to understand the world around them continues to motivate him in his daily work at SIS Zürich-Wollishofen.

portrait of Philippa Lieber
Philippa Lieber


More about Philippa Lieber

Philippa Lieber


Philippa Lieber joined the SIS community in 2018. She began at SIS Männedorf-Zürich as a kindergarten and primary teacher. In 2021, she became principal of SIS Winterthur and today she is the vice-principal of SIS Zürich-Wollishofen.

Prior to SIS, she taught philosophy at the secondary level in Switzerland, lower primary years in Italy, and upper primary years in the United States. While in the United States, she also served as academic director. Her university background is in education, social science, and philosophy.

Philippa Lieber enjoys observing the continuous personal and academic growth of children. Her goal for students is to experience safe, happy, and rigorous classroom environments.

She has family roots both in Switzerland and the United States. Philippa Lieber is originally from Utah, but spent part of her childhood in Bern and Frauenfeld. Outside of working in education, she enjoys horse riding, spending time at the seaside with her daughter, and reading.

The Team of SIS Zürich-Wollishofen

Our educators make our educational concept tangible, every single day. Our dedicated team is committed to the individual development of our students. To keep our educational work at a consistently high level, our team regularly takes part in internal and external further training.


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.


The exact lessons and supervision times and further information can be found on the following pages:
Full-Day Concept Kindergarten
Full-Day Concept Primary School
Before - and After School Care​​​​​​​

Holiday Calendar 23/24

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


Start of academic year 21 August 2023  
Autumn break 9 October to 20 October 2023  
Christmas break 25 December 2023 to 5 January 2024  
Winter break 12 February to 23 February 2024  
Spring break 22 April to 3 May 2024  
Summer break 15 July to 16 August 2024  


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

No events found.

SIS Zürich-Wollishofen

SIS Swiss International School

Seestrasse 271
8038 Zürich

Phone: +41 43 399 88 44




Office Opening Hours

Monday to Friday: 7:45 a.m. to 12 noon and 1 p.m. to 4:45 p.m.

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