Where Future
Global Leaders Begin
Cambridge Preschool, Primary, Secondary IGCSE & A-Levels at Our Three Premium Campuses in Lisbon, Sintra & Estoril
A Legacy of Excellence
A Vision for the Future
"Empowering the next generation of global leaders through an uncompromising commitment to academic excellence."
Welcome to Prime School International. As a proudly independent and highly diverse educational community, we are dedicated to providing a transformative learning experience.
Our Cambridge curriculum, combined with Portugal's first ISO 9001 certification for an international school, ensures that our standards remain at the absolute pinnacle of global education. We do not just prepare students for university; we prepare them for life.
Dr. Alexander Hamilton
Head of School
Our
Philosophy
At Prime School International, we believe education is more than academic achievement. It is about shaping the character, innovative spirit, and global mindset of every student who walks through our doors.
Explore the foundations of our approach:
Our Mission
To provide a rigorous, globally-minded Cambridge education that cultivates intellectual curiosity, ethical leadership, and a lifelong passion for learning in every student.
Our Vision
To be the premier international school in Europe, recognized worldwide for shaping compassionate, innovative, and resilient leaders who positively impact the global community.
Core Values
Excellence
We strive for the highest standards in academics, character, and continuous self-improvement.
Global Citizenry
We embrace diversity, fostering respect and understanding across 67+ nationalities.
Innovation
We encourage creative problem-solving and adaptable thinking for the future.
Integrity
We act with honesty, fairness, and a strong moral compass in all our endeavors.
The Prime Difference
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Bespoke Academic Pathways
Individualized support and small class sizes ensure every student meets their full potential through the Cambridge framework.
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World-Class Facilities
Three premium campuses in Lisbon, Sintra, and Estoril, specifically designed to inspire 21st-century learning and collaboration.
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Holistic Development
Beyond academics, our elite sports, arts, and well-being programs nurture the whole child, ensuring mental and physical resilience.
Prime Boarding
Modern, Supportive, Premium
Experience a home away from home in our state-of-the-art boarding facilities, where students thrive in a safe, multicultural environment with 24/7 support.
24/7 Support
Pastoral care & mentoringIntl Community
Students from 30+ countries
Premium Boarding
24/7 pastoral care and mentoring in a safe, multicultural environment with students from 30+ countries.
Your Path to Global Success
Rigorous, globally recognised academic programmes that prepare students for top universities worldwide. From early years through A Levels, Cambridge qualifications open doors to international opportunities.
Preschool
Cambridge Early Years
Discover a brilliant start with play-based learning focused on holistic development and bilingual exploration.
Learn MorePrimary
Cambridge Primary
Mastering core subjects through inquiry-based learning, developing critical thinking and problem-solving skills.
Learn MoreLower Secondary
Cambridge Lower Secondary
Broadening horizons with comprehensive subject coverage, checkpoint exams, and interdisciplinary projects.
Learn MoreUpper Secondary
Cambridge IGCSE
Cambridge IGCSE for academic depth, subject specialisation, and globally recognised qualifications.
Learn MoreAdvanced Level
Cambridge A Levels
Prepare for top universities worldwide with Cambridge A Levels for academic specialisation and excellence.
Learn MoreOur Team
Meet the dedicated professionals committed to guiding our students toward academic and personal excellence.
Melissa Ann Pereira
EXECUTIVE DIRECTOR
PhD in Educational Leadership with 20+ years of international experience.
Brígida Henriques
HEAD OF SINTRA
Leading our Cambridge pathway with innovative pedagogical strategies.
Ana Magalhães Pereira
Head of ESTORIL
Passionate about inspiring the next generation of global innovators.
Arnaldo Neves
Head of Lisbon
Dedicated to foundational learning and holistic early development.
Milestones of Excellence
A history of growth, innovation, and unwavering commitment to world-class education.
The Beginning
Prime School founded in Sintra, establishing a new standard for international education in Portugal.
Virtual TourOfficial Recognition
Cambridge International accreditation and Portuguese Ministry of Education recognition achieved.
Expansion to Estoril
Second campus opened in Estoril, expanding our reach and impact in the region.
Virtual TourLisbon Campus Opens
State-of-the-art campus in Alvalade, Lisbon, bringing world-class education to the capital.
Virtual TourISO 9001 Certification
First private international school in Portugal to achieve ISO 9001:2015 quality certification.
View CertificateOur Campuses
Choose the campus nearest to you, same great programme at all locations.
What Our Community Says
"Prime School has exceeded our expectations. The personalised attention, world-class facilities, and diverse community have helped our daughter flourish academically and personally."
"The Cambridge A Level programme at Prime School prepared me perfectly for university. I'm now studying at Oxford, and I credit my success to the excellent teaching and support I received."
"Teaching at Prime School is incredibly rewarding. The resources, professional development opportunities, and collaborative environment make it the ideal place to grow as an educator."
Begin Your
Journey to Excellence
Join a community where every student is empowered to achieve their full potential. Limited spaces available for the 2026-2027 academic year.
+351 21 923 54 96