Do you have any questions or suggestions? Or are you interested in a personal consultation? We look forward to hearing from you.

We are happy to assist you with any questions or concerns you may have. Do not hesitate to contact us if you would like to find out more about our school. For general queries about our company and requests from the media, please contact our Zürich head office.


SIS Swiss International School
Technoparkstrasse 1
CH-8406  Winterthur
Telephone +41 52 202 82 11


Contact Form

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Public Transport

SIS is within a ten-minute walk of Winterthur main station or within a two-minute walk from the bus stop Loki (lines 1, 5 and 7).

Opening Hours School Office

Monday, Tuesday, Thursday and Friday from 7:30 a.m. to 12:15 noon and from 1:30 p.m. to 5 p.m., Wednesday from 7:30 a.m. to 12:15 noon