INTERNATIONAL SCHOOL | FROM 3 TO 18 YEARS OLD
WELCOME TO PRIME SCHOOL INTERNATIONAL
Shaping Future Leaders with Innovative Education
At Prime School International, we offer more than a traditional education—we provide a transformative learning experience that empowers students to excel academically, socially, and personally. Our mission is to unlock each student’s potential, preparing them for success in a constantly evolving world.
About Prime School
Prime School, is an international school for students from 3 to 18 years old. We are based in Portugal and have 3 campuses in the greater Lisbon area: Lisbon/Alvalade (from 3 to 18 years old), Estoril (from 11 to 18 years old) and Sintra (from 3 to 14 years old). Currently, Prime School International has over 400 students across the three campuses. Our school is recognised by the Portuguese Ministry of Education and accredited by Cambridge International Education. Besides following the Cambridge curriculum (IGCSE and A Levels), we also offer technical courses for secondary and advanced students.
Preschool | Primary | Secondary | Advanced
Why Choose Prime School International?
We are pioneers in educational innovation, combining cutting-edge research with advanced technology through our PRIME Scientific Method®, designed to foster critical thinking, creativity, and problem-solving skills.
• Personalised Learning – Tailored education with AI-driven analysis to support individual growth.
• Research-Based Approach – A curriculum grounded in global academic partnerships.
• Interactive & Immersive Learning – Augmented reality, gamified lessons, and simulations enhance engagement.
• Multidisciplinary Integration – A holistic approach combining STEM, arts, and humanities.
• Experiential Learning – Real-world projects, internships, and community involvement develop leadership skills.
World-Class Education
With campuses in Estoril, Lisbon, and Sintra, Prime School is a proud member of the Cambridge International network, offering classes taught in English, ensuring a globally recognised education. For nearly two decades, our students have achieved outstanding academic results and excelled at prestigious universities worldwide.
We also offer a bilingual pathway option - from preschool to lower secondary levels - for the students interested in having classes in both Portuguese and English.
Join the Prime School International Family
Choosing Prime School for your child is an investment in a bright future. Our innovative approach and commitment to excellence ensure that every student is fully prepared for success, wherever life takes them.
Be part of Prime School International – where tomorrow’s leaders are shaped today.
E. Reina
CEO, Prime School International
ADMISSIONS
HOW TO APPLY
Visit
Our admissions team will contact you to schedule a visit or an online meeting with our team
Place Offered
We will analyse the application and offer a place. Welcome to the Prime Family!
CURRICULA
THE STUDENT'S LEARNING
JOURNEY
at Prime School International
Prime School is part of the Prime Education Group. Our upper secondary and advanced levels technical courses are a first step to achieving the Higher National Certificates (HNCs) and Higher National Diplomas (HNDs), accredited by Pearsons, and offered by our partner company Prime Institute. This partnership ensures a seamless transition for students from secondary education to higher education, fostering a strong academic foundation and career-oriented learning experience.
About Prime Institute
Prime Institute offers students 18+ a pathway to Bachelor's Degrees and professional success.
Learn More About Prime Institute
INTERNATIONAL CURRICULUM
OUR CAMPUSES
Estoril
Primary, Secondary and Advanced
From Primary to 18 years old
School name : International Anglo American School
At our Estoril Campus, we specialise in educating Primary, Secondary and Advanced students, with a capacity of up to 270 students. This is achieved through the Cambridge curriculum or specialised technical courses.
With six years of dedicated service to the community, our campus remains committed to fostering academic excellence and holistic development.
Lisbon
Preschool, Primary, Secondary and Advanced
From 3 to 18 years old
School Name : Heritage International School of Lisbon
In Lisbon, we welcome students from Preschool to Advanced levels, offering the Cambridge curriculum, a Bilingual programme, or, for those seeking an alternative path, a technical course. Our dynamic environment nurtures learners from ages 3 to 18, encouraging a journey of knowledge and discovery.
With a capacity for 450 students and two years of operation, we are dedicated to serving and empowering our community.
Sintra
Preschool, Primary, and Lower Secondary
From 3 to 14 years old
School Name: Infanta D. Maria - Prime School of Portugal
The Sintra campus has been operating for 20 years and offers the Cambridge curriculum in English or bilingual (Portuguese/English).
We follow the active learning approach, which encourages active student participation, fostering critical thinking, problem-solving, and autonomy.
We welcome students from Preschool (ages 3–5), Primary (ages 6–11), and Lower Secondary (ages 12–14), ensuring education tailored to each stage.
PRIME IN NUMBERS
Campus in Portugal
Students per Campus
Average Class Size
Nationalities
Ages
Faculty & Staff
PRIME SCHOOL OFFERS AN
UNPARALLELED EDUCATION
Education
Discover Prime School's unique education, where the proven success of our students is our greatest testament to excellence. Join us for an exceptional educational journey.Join us on this transformative educational journey, nurturing confident global communicators with a profound appreciation for language and culture, while paving the way for endless academic achievement and personal growth.
Sports
Explore a vibrant sporting culture at Prime School, where we champion physical health and team spirit. With state-of-the-art facilities and expert coaching, our students excel in a variety of sports, fostering resilience and leadership skills. Join us in embracing the thrill of competition and the joy of physical activity, as we cultivate well-rounded individuals who shine both on and off the field.
Extracurricular
Discover the unique extracurricular activities at Prime School, where students can enjoy sailing, bodyboarding, and even experience a state-of-the-art flight simulator. Under the guidance of experienced instructors, they develop technical skills and broaden horizons, promoting teamwork, confidence, and perseverance. Join us on this exciting journey beyond the classroom.
To learn more about the school and admissions, send us an enquiry
Fill out the form and our admissions team will soon contact you.
BLOG AND NEWS
ACCREDITATIONS
ISO 9001 Quality Certification
Prime School International is the first in Portugal to join the Prestigious group of ISO-certified schools.
This highlight our commitment to excellence in education and boarding.
PARTNERS
