A Prime Approach
to Global Education.
Welcome to Prime School International
At Prime School, education is more than a curriculum, it is a way of life, it is a promise to nurture the unique potential within every child. From their first curious steps in Preschool to their ambitious final years at A-Levels, we walk alongside our students as they discover who they are and who they are meant to become.
We believe that when a student's journey is tailored to their individual needs, excellence follows naturally. By blending the gold standard of the Cambridge International curriculum with our proprietary Prime Scientific Method, we foster a deep-rooted self-confidence and a lifelong love for learning.
Our mission is to empower the next generation of global citizens with the resilience to lead and the wisdom to innovate. Here, in the heart of Portugal, we offer a home away from home, a place where academic rigour meets compassionate guidance, ensuring every student reaches for their brightest future.
Join us as we shape the future, one student at a time.
The Prime Difference
20+ Years as a Leading International & Boarding School
The Prime Scientific Method
Our exclusive approach decodes each student's cognitive blueprint, creating a bespoke learning journey that guarantees engagement and unparalleled academic success.
ISO 9001
Portugal's first certified international school, ensuring global standards in every classroom.
Cambridge Pathway
From Preschool to A-Levels, providing the gold standard in international education, recognised by top universities worldwide.
Cambridge Progression
Five progressive stages of academic excellence, each meticulously designed to build upon the last, guiding students from their first steps to university graduation.
Preschool
Where curiosity sparks into lifelong passion. Play-based Cambridge Early Years nurturing holistic development.
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Primary
Building critical thinking through inquiry-led learning. Students master core subjects while developing global perspectives.
Explore Programme →Lower Secondary
Expanding horizons with specialized subject depth. Exploring diverse disciplines and defining academic passions.
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Upper Secondary
Engaging with the Cambridge IGCSE curriculum for academic depth. Earning internationally recognized credentials.
Explore Programme →Advanced Levels
University preparation at its finest. Specialization in A Level subjects with comprehensive UCAS/Common App counselling.
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Our Academic Results 2025
Cambridge IGCSE
Cambridge A-Levels
Beyond the Classroom
Our Campuses
News & Events
Spring Open Day 2026
Experience the Prime atmosphere firsthand. Join us for a guided tour and meet our educators.
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Outstanding Cambridge Learner Award
Celebrating our students who achieved the highest marks in Portugal for A-Level Mathematics.
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New STEM Wing Opening
Equipping our Lisbon campus with state-of-the-art physics labs and a new robotics hub.
Read More →Accreditations & Partners
