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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.
Help ISL Support Ukrainian Families
Support Ukraine

Help ISL Support Ukrainian Families

A fundamental idea at ISL is that education is a tool for a more peaceful future.  As such our work comes into sharp focus when crises emerge as they have done over the past few days in Ukraine.

Key facts

Student body and staff

  • 900


  • 75


  • 135


After ISL

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.

  • 38.07

    Mean achieved by ISL IB Diploma candidates in 2021

  • 33.2

    Mean achieved by IB candidates worldwide in 2021

  • 97.65 %

    ISL students who passed the IB Diploma in 2021