Best International Schools in Lisbon: 2026 Guide for Expat Families

Author

Emma from ISA

Posted 25 March, 2026

Best International Schools in Lisbon: 2026 Guide for Expat Families

Why Lisbon Attracts Expat Families

Lisbon has become one of Europe's most sought-after destinations for international families. The Portuguese capital combines a mild climate, relatively affordable living costs compared to other Western European cities, and a thriving expat community that makes settling in feel remarkably smooth. For families relocating here, access to a strong international school is usually the first priority — and Lisbon delivers on that front with a growing selection of schools offering IB, British, American, and Portuguese bilingual curricula.

Whether you are moving for work, lifestyle, or the country's Golden Visa programme, understanding the international school landscape in Lisbon is essential before you arrive. This guide covers the main curricula available, the top schools worth considering, realistic fee ranges, and practical tips for the admissions process.

Curricula Available in Lisbon

International families in Lisbon can choose from several well-established academic frameworks. The International Baccalaureate (IB) is offered at several schools through both the PYP (Primary Years Programme) and the Diploma Programme for secondary students. British IGCSE and A-Level pathways are also well represented, catering to UK-linked families who want continuity with the British curriculum. A handful of schools follow the American curriculum leading to a US high school diploma, while Portuguese-language international schools offer bilingual programmes that allow children to integrate into the local culture while maintaining international academic standards.

Top International Schools in Lisbon

Carlucci American International School of Lisbon

CAISL is one of the oldest and most respected international schools in Portugal, offering an American-based curriculum from Pre-K through Grade 12. Fully accredited by the Middle States Association, it serves over 900 students from more than 50 nationalities. The school offers Advanced Placement (AP) courses, a strong extracurricular programme, and a dedicated college counselling service. Located in Linhó, near Sintra, it is the natural choice for American families or those seeking a US diploma pathway.

View CAISL profile on International School Advisor

International Sharing School – Taguspark

ISS Taguspark offers the IB Primary Years Programme and the IB Diploma, making it an excellent option for families with children from age 3 through 18. Located in the Taguspark technology campus west of Lisbon, it benefits from modern facilities and a diverse student body. The school places strong emphasis on environmental sustainability and project-based learning, which appeals to families from Nordic and Central European backgrounds.

View ISS Taguspark profile on International School Advisor

Prime School International – Estoril

Set along the scenic Estoril coast, Prime School International provides a bilingual Portuguese-English environment from nursery through secondary level. The school follows a Portuguese national curriculum adapted for international families, with strong English language support throughout. Its location on the Estoril line makes it accessible for families based in Cascais or along the coast west of Lisbon.

View Prime School International profile on International School Advisor

United Lisbon International School

United Lisbon is one of the newer additions to the city's international school scene, having opened its doors to much anticipation from the expat community. It offers the IB continuum from early years through the Diploma Programme and has quickly built a reputation for strong academic outcomes and a genuinely inclusive community. The school is located in Parque das Nações, in a modern campus with excellent transport links.

View United Lisbon International School profile on International School Advisor

School Fees in Lisbon: Realistic Ranges for 2026

International school fees in Lisbon are more competitive than in cities like Geneva or Amsterdam, though they vary considerably by school and year group. As a general guide, families should budget in the following ranges for the 2025–2026 academic year:

  • Early Years / Nursery (ages 3–5): €8,000–€14,000 per year
  • Primary (ages 6–11): €12,000–€20,000 per year
  • Secondary (ages 12–18): €16,000–€26,000 per year

These figures typically cover tuition only. Additional costs include enrolment fees (often €1,500–€3,000, sometimes non-refundable), capital levies, lunch programmes, transportation, and extracurricular activities. Some schools also charge annual resource or technology fees. Always request a full fee schedule directly from the school's admissions office before applying.

Practical Admissions Tips for Lisbon

The admissions cycle for most international schools in Lisbon runs from October through March for the following September intake. Popular schools like CAISL and United Lisbon regularly have waiting lists for certain year groups, so applying as early as possible — ideally 12 months before the intended start date — is strongly advisable.

Most schools require previous school reports (typically the last two years), a letter of recommendation from the current school, proof of language proficiency (especially for IB schools), and sometimes an informal assessment or interview with the child. Having documents translated into English or Portuguese in advance will speed up the process.

Lisbon's schools generally offer good English-language support for new students, so children without prior English schooling can integrate successfully, particularly at primary level. For secondary students, a stronger base in the language of instruction is usually expected.

Explore More Schools in Portugal

To see the full ranking of international schools in Portugal and filter by curriculum, language, and price range, visit the International School Advisor Portugal rankings.

Frequently Asked Questions

What is the best international school in Lisbon for the IB Diploma?

United Lisbon International School and International Sharing School – Taguspark both offer the full IB continuum including the Diploma Programme. CAISL offers Advanced Placement (AP) courses as the American equivalent pathway.

How much do international schools cost in Lisbon?

Annual tuition typically ranges from €8,000 for early years up to €26,000 for secondary students, depending on the school. Additional fees for enrolment, transport and activities should also be budgeted for.

When should I apply to international schools in Lisbon?

Ideally 12 months before your planned start date. Popular schools fill quickly, particularly for certain year groups. Applying between October and February for September entry is the standard timeline.