Book a tour

Step onto the campus of St. Dominic’s International School, Portugal and discover a place where learners are encouraged to think boldly and pursue their passions. From visiting classrooms and meeting teachers to exploring the spaces where learning comes to life, each personalised tour offers a genuine insight into daily school life and the distinctive experience of an IB Continuum education.

Complete the form to arrange a personalised visit and explore our campus in a way that reflects your family’s interests. We also offer open days, virtual open days and a day at school experience, helping you discover the environment, people and approach that make SDIS’ such a special place to learn.

Welcome to St. Dominic’s International School, Portugal in Cascais

Seamless IB journey

Grow across the full International Baccalaureate continuum, from the Primary Years Programme to the Diploma Programme - building curiosity, confidence and global perspective.

Academic excellence

Achieve strong outcomes through personalised support and continuous assessment, with 62% of DP students exceeding their predicted scores and MYP students averaging 40.5 points.

Multilingualism

Learn in English, explore pathways in Portuguese, French, Spanish and Mandarin and work towards bilingual certification - achieved by 58% of MYP and 47% of DP students.

Life competencies

Grow into confident, adaptable people through the ISP Life Competencies Framework and our Lifelong Learning Programme, where the IB Learner Profile, Approaches to Learning (ATLs) and social-emotional learning are woven into daily experiences.

College preparation

Explore future pathways through our Careers Programme, combining tutor-led sessions, Unifrog and university events to build confidence and make informed choices - with 92% of our students accepted into their first-choice university.

Life beyond academics

Enjoy a vibrant school life through our After-School Programme, with opportunities in competitive sports, the arts, Model United Nations and ISP's International Learning Opportunities for Students (ILOS).

Exceptional guidance

Benefit from the expertise of our teachers, tutors, counsellors and wellbeing team, working collaboratively to empower students and enhance learning.

Purposedly designed campus

Excel and learn on a purpose-built campus with science labs, sports courts, natural spaces, creative areas and a dedicated building for PYP, MYP and IBDP - giving students the confidence to grow through every stage of school life.

Where confidence grows

St. Dominic’s International School, Portugal students collaborate with peers around the world through global skill-building programmes and learning opportunities as part of the International Schools Partnership network.

Reaching us is easy

Just 25 kilometres from Lisbon, SDIS is ideally located for families across Cascais, Oeiras and the wider Lisbon area. Our campus is placed in a peaceful residential setting with convenient transport connections, making the journey to school simple whether you are travelling by car, school bus or public transport.

Families also benefit from our door-to-door bus service across Lisbon, Oeiras and Cascais, alongside nearby public transport links. Enjoy the ease of a well-connected location while discovering a school community shaped by calm surroundings, openness and a strong sense of belonging.