Secondary Schools in Lisbon for Expat Families

Secondary school is where the stakes start to feel real. Curriculum choice now shapes which exams a child sits, which subjects they specialise in and how they will apply to university. For internationally mobile families, choosing a secondary international school in Lisbon means weighing pathway, fit and continuity carefully. This guide sets out the options and what to look for, for families arriving from anywhere.

The two main pathways

At secondary level, Lisbon's international schools largely split between two routes:

• The British pathway — lower secondary on the English National Curriculum, IGCSEs taken around ages 14–16, then A-Levels at sixth form (around 16–18). Offered at schools such as St. Julian's, The British School of Lisbon and Astoria.
• The International Baccalaureate — the Middle Years Programme (MYP) through the middle years, then the two-year IB Diploma Programme (DP) at around 16–18. Offered at schools including St. Dominic's, United Lisbon and St. Julian's.

In addition, CAISL in Sintra offers a US high-school diploma alongside the IB Diploma. Some schools run a single pathway; others let families choose, particularly at sixth form. Our GCSEs and A-Levels in Lisbon and IB schools in Lisbon guides go into each route in detail.

British or IB?

This is the question most secondary families wrestle with, and there is no universal answer:

• A-Levels let a student specialise early in three or four subjects — ideal for a child with a clear academic direction, and the familiar route into UK and many international universities.
• The IB Diploma keeps a broader spread of six subject areas plus the extended essay, theory of knowledge and creativity, activity and service. It suits well-rounded students and is highly regarded globally.

Both are recognised worldwide and processed through UCAS and equivalent admissions systems. The decision should rest on your child's strengths, interests and likely university destinations rather than a blanket judgement that one is "better". Our university admissions guide explains how each route feeds into applications.

The third route: the US diploma

Families comparing Lisbon's options sometimes overlook that there are three pathways here, not two. A US high-school diploma accumulates credits across the secondary years rather than culminating in a single set of terminal examinations, with room to shape a programme around interests and to take advanced courses selectively.

It is the natural fit for a family whose likely destination is North America, and it sits comfortably alongside the IB Diploma where a school offers both. Families aiming primarily at UK universities should ask the school directly what supporting evidence is expected alongside a US diploma, since the mechanics of a UCAS application differ from an A-level or Diploma route.

The broader point is that having three recognised pathways available in one city is unusual and genuinely useful. It means the pathway decision can be taken on the basis of the individual child rather than on what happens to be available.

Geography is part of the decision

Lisbon's international schools are not clustered in one place. They are spread across a wide metropolitan area — along the coastal corridor running west from the city, and inland towards Sintra — and the distances between them are real.

This has three practical consequences for a secondary family.

The commute shapes the school choice as much as the reverse. A school that is excellent on paper and an hour away in each direction is a different proposition once homework, sports fixtures and a social life are added.

School buses matter. Many families rely on school-organised transport, with routes and stops published before the academic year. Where you live determines which routes serve you, and sometimes what they cost.

Independence arrives later or earlier depending on where you settle. A teenager who can reach school, friends and activities without being driven has a materially better experience of the move, and that is largely a function of where the family lives. Our guide to the best areas in Lisbon near international schools maps the options.

Placement, subjects and joining partway through

Two things account for most of the friction in a secondary transfer, and both are solvable if raised before an offer rather than after one.

Year-group placement. Systems name and align year groups differently, and age alone does not settle where a child sits. Schools assess from recent reports and often a short internal assessment. Ask which year your child would enter, what that corresponds to in the system you are leaving, and whether any content would be repeated or skipped. If the answer places them back a year, ask whether the reason is age or language — only one of those is likely to be revisited once the language arrives, and the two are often delivered in the same sentence.

Subject availability. Lisbon runs British, IB and American pathways, and several schools run more than one. That is the city's real advantage and it carries a cost at sixth form, because a school dividing a modest cohort across two senior programmes has fewer students available to fill each option set. A subject listed in a prospectus may therefore not run in a given year, or may be timetabled against something else your child needs. Where particular subjects matter — a language, a science combination, higher-level mathematics — ask which of them actually ran in each of the last two years, and how many students it takes to open a set.

Bring recent reports, references and any assessment reports relating to learning support. Schools place children accurately when they have evidence and are left guessing when they do not. If your child has additional needs, raise them at the application stage rather than after an offer: provision varies considerably between schools, and a school that knows early can tell you honestly whether it is the right place.

Portuguese at secondary age

A teenager arriving with no Portuguese is in a different position from a seven-year-old. Instruction at an English-medium school is in English and Portuguese is taught as a subject, but a fourteen-year-old will not absorb the language incidentally in the way a younger child does.

That is not an argument against moving at this age; it is an argument for deciding what you are aiming at. Functional Portuguese for daily life is realistic and worth pursuing, and it comes overwhelmingly from life outside school — sport, clubs, part-time work, friendships beyond the international community. Academic Portuguese, of the kind that would allow a later move into the Portuguese system, is a much larger undertaking and needs to be a deliberate objective from the outset rather than a hope.

Ask each school how Portuguese is taught, at what levels, and what a student typically leaves with. The answers differ more than families expect.

What secondary costs

Secondary is the expensive end of international schooling. Fees generally rise with year group, so the senior years sit at the top of any published range, and the final years add external examination registration on top of tuition.

A family arriving with a child for the last few years only will therefore pay at the upper end from the start, without the earlier, cheaper years to average it out. Where there are two children a few years apart, the peak period — both in senior school simultaneously — is the one worth modelling before committing to the move rather than during it. Our guide to international school fees in Lisbon sets out the structure, including the one-off costs that make a first year more expensive than the years that follow.

Settling a teenager

Expect this to take longer than it does for a younger child. A full term is a realistic benchmark for a secondary arrival to feel genuinely comfortable, and a slow first half-term is not evidence of a wrong decision.

What helps is specific rather than general: joining an activity in the first weeks rather than waiting to feel ready, aiming for one or two people your child is at ease with rather than a whole group, and keeping old friendships alive by video call rather than treating them as something to be replaced.

What warrants an early and written conversation with the head of year is different: sustained withdrawal, a marked and continuing drop in engagement, or any sign of exclusion or bullying. Lisbon's international schools receive new arrivals constantly and have pastoral structures built for it — using them early is not an overreaction. Our settling your child into school in Lisbon guide covers this in detail.

What to look for at secondary level

• Subject breadth and depth — does the school offer the A-Level or IB subjects your child wants, including sciences, languages and the arts?
• Exam track record — ask about results and university destinations, while treating any single year's figures with care.
• Pastoral and university guidance — strong careers and university counselling matters enormously at this stage.
• Continuity — a school running through to 18 means no further move before exams.
• Settling-in support for teenage arrivals, who can find moving harder than younger children.

Timing a move

Where possible, avoid moving a child in the middle of an exam course — the IGCSE, A-Level or IB Diploma years. Aligning a move with the start of an academic year or a new key stage gives the smoothest transition. Schools will advise on the best entry point, and mid-year places do exist. For applications and waiting lists, see our how to apply and waiting lists guides, and for the earlier stage, primary schools for expats. Return to the international schools in Lisbon hub for the full landscape.

When the move date falls badly

The advice above — align a move with the start of a stage — assumes the date is yours to choose. Frequently it is not, and the more useful question is what to do when a posting lands in the middle of a two-year course.

Raise it with admissions at the outset rather than at application. A school that can bridge a mid-course arrival will tell you what is possible and on what terms; one that cannot will say so early enough for you to plan around it, which is worth considerably more than a polite maybe in June. Three things decide whether a bridge exists. Whether the examination board and specification match, since two schools teaching "the same" IGCSE subject may follow different syllabuses with different coursework requirements. Whether the internal assessment already completed can travel — in the IB in particular, a substantial share of the final grade is generated during the course, and it does not always move with the student. And whether the subject combination can be reproduced at all, which is a timetabling question rather than a matter of policy.

Where no bridge exists, the realistic options reduce to three: delay the family move until the course finishes, split the household for a period, or accept that the student repeats a year. None is attractive. All three are better than discovering in August that no school will admit into the second year of a programme, which is the position our waiting lists guide is written to help you avoid.

Who this guide is and is not for

This is written for families choosing an English-medium secondary school in the Lisbon area, usually with the move already decided or close to it.

It is less useful in two situations. If your child has significant additional learning needs, the order of operations here is the wrong way round for you: provision varies sharply between schools, and the sensible first step is a conversation with each school's learning support lead before you draw up a shortlist rather than after. And if you are still weighing Lisbon against other cities, this page assumes a decision you have not yet taken — the best areas near international schools guide and the fees guide are the more useful pair at that stage, because geography and cost are what genuinely differ between candidate cities once the curriculum is held constant.

It does not cover the Portuguese state secondary system, which runs on its own admissions logic and generally assumes a level of Portuguese a recent arrival will not have. Nor does it substitute for advice on the wider move: school choice, where you live, residency and how your affairs are taxed all interact, and a decision taken in one area quietly constrains the others.

How Global Investments Can Help

The secondary years often coincide with bigger family financial decisions — funding several years of fees, planning for university costs and structuring wealth across borders. Global Investments has advised internationally mobile families for more than three decades and can help you plan the financial side of these years with confidence. Contact us for a confidential, no-obligation conversation.

This guide is general information as of 2026, not educational advice; curricula, subjects and results change — confirm current details with each school directly.