International Schools in Portugal: Fees, Admission, and Which Cities Have the Best Options in 2026
Moving to Portugal with children? This guide covers every major international school, from Lisbon and Porto to the Algarve — with fees, curriculum options, admissions timelines, and what to watch out for.
One of the most pressing concerns for expat families considering a move to Portugal is schooling. The Portuguese public system is free and reasonably good, but instruction is in Portuguese — which means children without language skills face a steep integration challenge. International schools offer English-medium (and bilingual) alternatives, but come at a significant cost. This guide covers the landscape in detail: where the schools are, what they cost, and what to consider.
The Portuguese Public School System: What Expats Need to Know
Portugal's public schools (escolas públicas) are free for all residents, including expats. The curriculum follows the Portuguese national system and instruction is primarily in Portuguese. For older children (10+), the language barrier can make integration genuinely difficult. For younger children (under 7), immersion often works remarkably well — children typically acquire functional Portuguese within 6–12 months.
Portugal ranks in the middle tier of PISA scores among OECD countries — below the UK, Finland, and Germany but above the OECD average in mathematics, and near average in reading. Public school quality varies significantly by region, with schools in Lisbon and Porto generally outperforming rural equivalents.
If you're staying long-term and your children are young, the public system is worth serious consideration — immersion in Portuguese from an early age is a meaningful advantage for citizenship and adult life in the country.
Lisbon: The Largest International School Market
Lisbon has Portugal's most developed international school ecosystem, reflecting its large expat community and diplomatic corps.
Saint Julian's School
The oldest and most prestigious British-curriculum international school in Portugal, founded in 1932. Located in Carcavelos (Linha de Cascais), roughly 25 minutes from central Lisbon. Offers British GCSE and A-Levels. Known for strong academic results and excellent extracurriculars.
- Annual fees (2025/26): Primary €14,000–17,500 | Secondary €18,000–22,000
- Language: English (with Portuguese from Year 1)
- Curriculum: British National Curriculum, GCSEs, A-Levels
- Waitlist: Often 1–2 years for primary; less competitive for secondary
Carlucci American International School of Lisbon (CAISL)
Located in Linhó (near Sintra), CAISL is the principal American-curriculum international school in the Lisbon area. Offers the International Baccalaureate (IB) at the Diploma level alongside the American curriculum. Strong for US-passport families who want to maintain US university admissions compatibility.
- Annual fees (2025/26): Elementary ,000–22,000 | Middle School ,000 | High School ,000–27,000
- Language: English primary
- Curriculum: American, IB Diploma
International School of Lisbon (ISL)
IB World School offering the full IB continuum (PYP, MYP, DP). Located in Restelo, Lisbon. Generally considered slightly more accessible than Saint Julian's and CAISL. Strong arts programme.
- Annual fees: Approximately €14,000–20,000
- Curriculum: Full IB continuum
Aga Khan Academy Lisbon
A newer addition (opened 2018), offering IB curriculum from pre-school through to Diploma. Located in Parque das Nações. Growing in reputation and more accessible in terms of waitlists than the established schools.
- Annual fees: Approximately €13,500–19,500
- Curriculum: IB PYP, MYP, DP
Deutsche Schule Lissabon
For German-speaking families or those wanting German-medium education. Offers German Abitur. Smaller, tight-knit community. Tuition is significantly lower than English-medium schools.
Porto: Growing Options for a Growing Expat Community
Porto's international school landscape has expanded rapidly in line with the city's growing expat population.
Oporto British School
The longest-established British school in Porto, founded in 1894. Offers British curriculum through to GCSE and A-Level. Located in Foz do Douro. Smaller school community than Lisbon equivalents — some families see this as an advantage.
- Annual fees: Approximately €12,000–17,000
- Curriculum: British, GCSEs, A-Levels
The International School of Porto (ISP)
IB World School offering PYP, MYP, and DP. Growing rapidly. Located in Matosinhos, near the ocean and convenient for north Porto neighbourhoods.
- Annual fees: Approximately €13,500–18,500
- Curriculum: IB continuum
Deutsche Schule Porto
German-medium school with a long tradition in Porto. German Abitur pathway. Lower fees than English-medium alternatives.
Algarve: Schools for the Southern Coast
The Algarve has a large British and Northern European expat community, generating demand for English-medium education.
Nobel International School Algarve
Located near Lagoa, between Albufeira and Portimão. Offers British curriculum through GCSE and A-Level. Popular with British families in the western Algarve. Smaller, community-oriented school.
- Annual fees: Approximately €10,500–14,000
Quinta do Lago International College
Boutique international school in the luxury Quinta do Lago resort area. High fees; extremely small classes. IB curriculum. Oriented toward very high-income families.
EasterlySchool (Tavira area)
Smaller school serving the eastern Algarve and families based around Tavira and the Costa Vicentina. British curriculum; lower fees reflect the lower cost of living in eastern Algarve.
Silver Coast and Centre
The Silver Coast (Costa de Prata) and central Portugal have smaller international school options, reflecting a smaller but growing expat population:
- Cambridge School Óbidos: British curriculum, popular with families in the Peniche–Caldas da Rainha–Óbidos triangle
- Lusitânia International School (Coimbra): IB curriculum, serving families in the central region
What to Consider: Curriculum Choice
The curriculum matters as much as the school. Your choice affects university admissions pathways:
| Curriculum | Best For | University Access |
|---|---|---|
| British (GCSEs + A-Levels) | Families planning return to UK, or targeting UK/Commonwealth universities | UK, Australia, Canada, Ireland, India — widely recognised worldwide |
| International Baccalaureate (IB) | Globally mobile families; most flexible option | Accepted by universities in 90+ countries including US Ivy League, UK Russell Group, EU |
| American (AP) | Families planning to study in the US | Strong for US universities; less recognised in Europe |
| German (Abitur) | German-speaking families; access to free German university system | Germany + EU; direct access to German public universities (tuition-free) |
Bilingual Portuguese Schools: The Middle Ground
Several Portuguese private schools now offer bilingual (English/Portuguese) programmes that provide a meaningful alternative at lower cost than full international schools. Examples include Colégio São João de Brito, Colégio Efanor (Porto), and a growing number of schools in the Lisbon suburbs. Fees typically range from €5,000–9,000/year — significantly less than international school fees.
These are worth considering for families planning to stay long-term who want Portuguese language integration alongside English-medium core subjects.
Application Timelines and Practical Advice
- Apply early: The most popular schools (Saint Julian's, CAISL, Oporto British School) have waiting lists. Apply 12–18 months before intended start date
- Registration fees: Most schools charge a non-refundable registration fee of €300–1,000
- Enrolment fees (one-time): Many schools charge a capital/development levy of €2,000–8,000 on first enrolment
- Annual fee increases: Budget for 3–5% per year; some schools have applied higher increases post-COVID
- Sibling policies: Most schools give priority and sometimes discounts to siblings of enrolled pupils
- September vs January entry: Most schools start in September; mid-year January entry is often possible but availability varies
What's Not Covered by Fees
International school fees rarely include everything. Common extras:
- School bus/transport (can add €1,500–3,000/year)
- Uniforms (typically €400–800 initial outlay)
- Lunch (€1,200–2,500/year if not included)
- Extracurricular activities, sports, trips
- Exam fees (GCSE/A-Level/IB: €150–300 per subject)
A realistic total cost for an international school education in Portugal is 20–35% above the listed annual fee once all extras are included.
The Bottom Line for Expat Families
International schooling in Portugal is excellent — the quality is genuinely high, the teachers are often experienced in multiple school systems, and the communities are welcoming and internationally diverse. But it's expensive. For families on a tight budget, the bilingual private school route is worth exploring seriously. For families with young children, a stint in the Portuguese public school system — with after-school English tutoring if needed — can work very well and saves considerable money.
The key decisions are: which curriculum (driven by where you'll be when your child applies to university), which city, and how long you plan to stay in Portugal. Build a spreadsheet, factor in all the extras, and apply to your shortlist well before you need the spot.
