“Who lives in a pineapple under the sea? Sponge, Bob, Square Pants.” – Year 4’s Memorable Trip to Leysin: Adventures and Learning Beyond the Classroom
Welcome
The International School of Lausanne gives children the tools and knowledge to succeed
Founded in 1962, the International School of Lausanne is a not-for-profit, International Baccalaureate (IB) World School. We welcome students from 3 to 18 years of age. We are the only IB World School in the Lausanne area offering the IB Primary Years, Middle Years, and Diploma Programmes.
Early Childhood
3-5 year olds
![](https://www.isl.ch/wp-content/uploads/2020/05/IMG_1646_carre-1-512x0-c-default.jpg)
Primary Years Programme
5-11 year olds
![Children playing musical instruments](https://www.isl.ch/wp-content/uploads/2019/07/Rectangle2-2-456x0-c-default.jpg)
Middle Years Programme
11-16 year olds
![Students life in Lausanne](https://www.isl.ch/wp-content/uploads/2019/08/menu-student-life-456x0-c-default.jpg)
Diploma Programme
16-18 year olds
![Secondary school students Lausanne Secondary school students ISL](https://www.isl.ch/wp-content/uploads/2019/07/IMG-e1565013861932-512x0-c-default.jpg)
We are committed to excellence in education. We strive to recognise the unique potential of each student, and to equip them to play an active and responsible role in a complex, multicultural world.
Graduating class of 2023
Success and outcomes
Our students leave with a sense of unlimited opportunity. They have the self-knowledge, confidence, and ambition to achieve their goals and make a positive contribution.
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35.4
Average ISL IB Diploma candidates score in 2023
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30.2
Global average IB candidates score in 2023
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96%
ISL students who passed the IB Diploma in 2023
Key facts
Student body and staff
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863
Students
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70
Nationalities
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135
Teachers
People of ISL