Shaping
Tomorrow's Innovators
20+ Years as a Leading International & Boarding School
Cambridge Pathway
Global academic credentials from Preschool through A Levels.
67+ Nationalities
Truly international community.
3 Campuses
Sintra • Estoril • Lisbon
The Prime Difference
We don't just educate, we empower. Through our proprietary Prime Scientific Method™, we decode each student's cognitive blueprint, unlocking hidden potential and designing bespoke learning journeys.
Students follow the world-renowned Cambridge International curriculum, ensuring every learner finds their ideal route to success. For boarding students, Prime Boarding Lisbon provides a safe, modern home that blends academic ambition with personalised care and a vibrant international community.
Cambridge Educational Journey
Five progressive stages of academic excellence, each meticulously designed to build upon the last.
Preschool
Cambridge Early Years • Kindergarten
Where curiosity sparks into lifelong passion. Our play-based Cambridge Early Years programme nurtures holistic development through sensory-rich discovery, creative expression, and foundational literacy.
Explore Programme
Primary
Cambridge Primary • Years 1-6
Building critical thinking through inquiry-led learning. Students master core subjects while developing digital fluency, global perspectives, and collaborative problem-solving skills.
Explore ProgrammeLower Secondary
Cambridge Lower Secondary • Years 7-9
Expanding horizons with specialized subject depth. Students explore diverse disciplines, complete checkpoint assessments, and begin defining their academic passions.
Explore Programme
Upper Secondary
Cambridge IGCSE • Years 10-11
Students engage with the Cambridge IGCSE curriculum for academic depth. This route earns internationally recognized credentials aligned with university and career aspirations.
Explore ProgrammeAdvanced Levels
Cambridge A Levels & AICE • Years 12-13
University preparation at its finest. Students specialize in 3-4 A Level subjects with expert mentoring, research projects, and comprehensive UCAS/Common App counselling.
Explore Programme
Prime Educational Pathway
From age 3 to university graduation, a seamless journey of academic excellence
Start Your Prime Journey
Four simple steps to joining Portugal's most innovative international school community.
Experience
Tour our campuses virtually or in person. See excellence in action.
Welcome
Join the Prime family and begin your transformation.
Take a
Virtual Tour
Experience our world-class facilities from anywhere in the world
Voices of Excellence
Real stories from our thriving community.
"The Prime Methodology transformed our daughter's confidence. Her cognitive assessment revealed talents we never knew existed, and the personalized learning plan has been life-changing."
"Studying at Oxford now feels inevitable. Prime's A Level rigour and university counselling prepared me for Oxbridge interviews better than I ever imagined possible."
"Teaching here means access to cutting-edge pedagogy, incredible resources, and a collaborative culture that pushes me to grow as an educator every single day."
Upcoming Gatherings
School Trip: Lisbon Underwater
Venice Masquerade Ball
Accreditations & Recognition
Certified excellence recognized globally
Partners
Strategic collaborations for educational excellence
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.