Early Years Ages 3 to 5
Play-based learning in English, with daily updates for families.
Cambridge · Ages 3 to 18 · Taught in English
International school in Lisbon
95% of our 2025 leavers reached their first-choice university.
One Cambridge pathway from Reception to A Level, in classes of 15 at most, on campuses in Lisbon, Estoril and Sintra. Independent and family-led since 2003.
Book a private tour and a trial day
A named adviser calls you within one working day.
- 95%of 2025 leavers at their first-choice university
- 15pupils at most in every class
- 3–18one pathway, no change of system at 16
What happens next
From this form to a written offer, in three steps.
No visit is needed to start. One named adviser stays with your family from the first call to your child's first day.
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A call from your adviser
In English or Portuguese. We ask about your child, answer your questions and suggest the right campus and year group.
Within one working day -
A private tour
You walk the campus on a normal school day, sit in on a lesson and meet the head of section and the teachers.
60 to 90 minutes -
A trial day
Your child spends a full day as a guest pupil in real classes, with breaks and lunch. No tests. The class teacher sends you written feedback.
A written offer 2 to 5 days later
School life, ages 3 to 18
A normal school day, at every age.
Classes of 15 at most, from the first day of Reception to the last A Level seminar.
Primary Ages 5 to 11
Six years of literacy, numeracy and enquiry, and clubs from chess to robotics.
Secondary Ages 11 to 16
Specialist teachers in every subject, then 8 to 10 Cambridge IGCSEs.
A Levels Ages 16 to 18
Three or four subjects in depth, taught in seminars, with a named university counsellor.
Why families choose Prime
A school small enough to know every child.
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Results that open doors
95% of our 2025 leavers reached their first-choice university. Leavers are at universities in 30+ countries, among them Oxford, Cambridge, LSE and Imperial College.
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Classes of 15 at most
A named form tutor stays with the year, and every new pupil has a pastoral check-in within the first two weeks. A school psychologist is on staff.
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One pathway, ages 3 to 18
Cambridge from Reception to A Level, with no change of system at 16. Every IGCSE is examined by Cambridge, with no internal grading.
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Taught in English
Lessons are in English on all three campuses, with Portuguese from age 3, among families of 51+ nationalities. Family-led since 2003.
A registered Cambridge school, recognised by the Portuguese Ministry of Education, ISO 9001 certified by SGS and an accredited Erasmus+ school.
Three campuses, one standard
Choose the campus closest to home.
The same Cambridge curriculum and the same standards on every campus, each five minutes from a metro or train station. Not sure which suits your family? Your adviser helps you choose.
Lisbon Alvalade
The city campus, with the metro at the door. Ages 3 to 18, and boarding from Year 9.
Estoril Cascais line
Green grounds and a small teaching farm, a five-minute walk from Estoril station. Ages 3 to 18.
Sintra Portela de Sintra
The same Cambridge school, ages 3 to 18, five minutes from the train.
Before you ask
Questions parents ask us first.
Do we have to visit before we apply?
No. You can start from anywhere. A named adviser guides your family from the first call to your child's first day, in English or Portuguese. Most families then come for a private tour and a trial day.
What happens on a trial day?
Your child spends a full day as a guest pupil in real classes, with breaks and lunch alongside the class. There are no tests, and the class teacher gives you written feedback afterwards.
Can my child join during the school year?
Yes. Admissions are open all year round, and families can join during the school year when a place is free.
How long does admission take?
Typically two to three weeks from your first enquiry to a written offer. The offer follows two to five days after the tour and the trial day.
Where can I see the fees?
Fees are published online for every year group. Your adviser will talk you through what they include.
Come and see a normal school day.
Tell us about your child and a named adviser will call you within one working day.
Request a call back or call +351 219 235 496