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ISS-Oeiras - International Sharing School

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International Sharing School Prospectus 2026-2027

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The spirit of sharing and innovation

Find out why families from around the world choose ISS Lisbon for their children’s next steps.

Why choose us?

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A campus like no other

Our amazing learning spaces are designed to promote curiosity, collaboration and engaging learning experiences.

Explore our campus

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Why choose the IB?

The International Baccalaureate helps young people grow into confident, independent thinkers with a global outlook.

Read more

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Come and see for yourself

Discover how we’re preparing young people to thrive in a global world with a school tour.

Book a visit

Welcome to International Sharing School Lisbon

ISS Lisbon is a proudly multicultural school that offers the International Baccalaureate in English from Nursery to Grade 12. Our school is built on a spirit of sharing and innovation which runs through everything we do – from our focus on lifelong learning to the way we nurture responsible leaders and future-ready entrepreneurs.

Foundation and Early Years

Start in a nurturing environment that encourages learning through play and time outdoors.

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Primary Years

Spark a lifelong love of learning through a programme that nurtures the whole child.

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Middle Years

Develop real-world leadership skills and knowledge through inquiry-based learning.

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Diploma Programme

Prepare for a lifetime of success with a programme that builds independence and resilience.

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Preparing for university

Exam results and preparing for future study in Portugal or abroad.

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About Us

 
 
 
 
EXPLORE ISS

Explore our school

After-school activities

Explore our dynamic range of creative, sporting and academic after-school activities.

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Our house system

Discover how we build belonging and community through our school houses.

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Wellbeing

Find out how we place health and wellbeing at the heart of our learning experience.

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Admissions

Ready to join our welcoming international community? Start your application today.

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