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ISS-Oeiras - International Sharing School
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Learning through sharing and innovation 

International Sharing School Lisbon is a proudly multicultural school where young people explore the world around them together. As an IB World School, guided by the International Baccalaureate framework and connected by our innovative campus, we support our students to develop the leadership and entrepreneurial skills to thrive in an increasingly global world. 

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Principal’s welcome

In a multicultural world, the ability to connect and collaborate with people from any background is the best preparation for life beyond school. At ISS Lisbon, our culture is built around the spirit of sharing. Sharing our diverse cultural heritages to grow as global citizens. Sharing educational experiences that cultivate a lifelong love of learning. And sharing our time and energy to ensure students don’t simply feel included, they feel like they belong.

This emphasis on sharing is made possible by our innovative approach to education. The International Baccalaureate (IB) is a brilliant academic framework which nurtures globally minded leaders. But it’s our teachers, many of whom are IB examiners, who elevate the curriculum through projects that inspire students to make their own discoveries – thinking less like students and more like entrepreneurs. 

The environment for this wonderful learning journey is our ground-breaking campus. Our students spend time in amazing spaces that support different kinds of learning, whether it’s group work, quiet study, or even learning on the move. 
Throughout my career, I’ve been lucky to experience life in different countries and cultures. But I’ve rarely found a place where everybody feels such a sense of belonging as they do here at ISS Lisbon. I can’t wait for you to discover it for yourself.

Carlien Shelley
Principal

 

A woman with blonde hair and a pearl necklace smiles at the camera, wearing a pink blazer over a floral dress, against a green, pleated backdrop.

 

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Our values

Multiculturalism

With over 50 nationalities, our multicultural community embodies global citizenship. But being truly multicultural is about more than diversity. It means educating ourselves about people’s differences and similarities, showing respect and empathy for everybody, and being proud to celebrate our shared identity.

Care

When everybody takes care of themselves, each other, and the environment, confidence grows and students feel empowered. We develop care by actively looking after plants, animals, and cultivating ecosystems, growing and harvesting food responsibly, and developing a sustainable mindset.

Hospitality

Communities only work when everybody feels welcome. If your family is relocating to Lisbon, we connect you with other families from similar backgrounds. We partner every new student with a buddy to make sure other children are looking out for them, right from day one. Meanwhile, our wide range of clubs and societies help every child meet new friends who share their passions.

Our history

We were founded by the Santos family, who understood that learning is most effective when students feel truly connected to the teachers, community and world around them. That’s why they set out to create a multicultural school as welcoming as any family, designed modern learning spaces that support collaborative learning, and put the word ‘sharing’ at the heart of our name: International Sharing School.
 

Why choose us

Discover why families choose International Sharing School Lisbon.

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Our team

Get to know the people behind ISS Lisbon.

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Our campus

Discover the ISS Lisbon campus, with purpose-built learning spaces that support collaboration, creativity, and independent study.

In the foreground, two students work on laptops while pedaling stationary bikes, and in the background, other students relax and socialize in a brightly lit, modern office space.

Student wellbeing

Find out how we ensure that every student at ISS feels supported and able to thrive. 

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Dukes Education

ISS Lisbon is part of Dukes Education, a global network of schools focused on empowering students through academic excellence, enrichment, and opportunity.

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Board of Governors

Meet the Board of Governors at International Sharing School Lisbon

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Find out more