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Best 6 IB International Schools in Portugal

IB International Education in Portugal

⇩ Scroll directly to the list of top 6 best IB schools in Portugal ⇩

Below, we have compiled the top 6 IB international schools in Portugal according to our users. However, there are another 65 schools to choose from in the country. You can find the best international school for your child by personalising your results. Just fill in your search criteria, and we will calculate a personal score for every international school in the city of your choosing based on your requirements.

Recommended Schools

International Sharing School Taguspark

Located in Portugal’s first and most innovative science and technology park, ISS offers a curriculum focused on personal and professional development, preparing students from 12 months to Grade 12, for an increasingly global, multicultural and multilingual world.
City
Lisbon
Curriculum
IB
Language of instruction
English
Ages
1 to 18
Yearly fees - 2025/2026
from: €11,400
to: €26,760
Reviews
(25 reviews)

United Lisbon International School

United Lisbon International School is a modern and innovative school providing education for children to prepare them for the future. Technology, Global Citizenship, Entrepreneurism, Sports and the Arts are all pillars for our education.
City
Lisbon
Curriculum
IB, International
Language of instruction
English
Ages
3 to 18
Yearly fees - 2025/2026
from: €11,800
to: €24,000
Reviews
(11 reviews)

Best 6 IB International Schools in Portugal

Out of a total of 11 IB International Schools in Portugal (and 71 total International Schools in Portugal)

Based on the aggregated preferences of our users in the last 30 days.

Oeiras International School

Oeiras International School is committed to promoting a respectful community of independent and passionate lifelong learners who are aware of their roles and responsibilities in an ever-changing world. To this end, OIS offers a variety of learning experiences within a supportive and challenging environment of rigorous academic programmes.
City
Lisbon
Curriculum
IB
Language of instruction
English
Ages
5 to 18
Yearly fees - 2025/2026
from: €13,547
to: €21,713
Reviews
(1 review)

St. Dominic's International School

St. Dominic’s International School is a highly respected and well known international school, and is the only school in Portugal authorised to offer all three programmes of the International Baccalaureate Organisation.
City
Lisbon
Curriculum
IB
Language of instruction
English
Ages
3 to 18
Yearly fees - 2025/2026
from: €11,500
to: €22,000
Reviews
(1 review)

United Lisbon International School

United Lisbon International School is a modern and innovative school providing education for children to prepare them for the future. Technology, Global Citizenship, Entrepreneurism, Sports and the Arts are all pillars for our education.
City
Lisbon
Curriculum
IB, International
Language of instruction
English
Ages
3 to 18
Yearly fees - 2025/2026
from: €11,800
to: €24,000
Reviews
(11 reviews)

Oporto British School

Oporto British School, located in Foz do Douro, Porto, Portugal, is the oldest British school in Continental Europe, established in 1894. It is a private, day school for both boys and girls, aged 3 to 18. It follows a British curriculum until the completion of the IGCSE and Senior pupils study the IB Diploma Programme.
The high quality education received by the pupils as evidenced by outstanding IB results, have led to the school achieving full dual accredited status by the Council of British International Schools (COBIS) and the Council of International Schools (CIS).
City
Porto
Curriculum
IB, British
Language of instruction
English
Ages
3 to 18
Yearly fees - 2025/2026
from: €9,690
to: €17,280
Reviews
(2 reviews)

International Sharing School Taguspark

Located in Portugal’s first and most innovative science and technology park, ISS offers a curriculum focused on personal and professional development, preparing students from 12 months to Grade 12, for an increasingly global, multicultural and multilingual world.
City
Lisbon
Curriculum
IB
Language of instruction
English
Ages
1 to 18
Yearly fees - 2025/2026
from: €11,400
to: €26,760
Reviews
(25 reviews)

Carlucci American International School of Lisbon

Carlucci American International School of Lisbon is a student-centered educational community in which the school challenges itself and each other to do its best and to makes positive contributions to our diverse and ever-changing world.
City
Lisbon
Curriculum
IB, American
Language of instruction
English
Ages
3 to 18
Yearly fees - 2025/2026
from: €11,716
to: €22,736
5 other IB schools in Portugal ⇨

Find the Best IB International School in Portugal FOR YOU!

Other lists of best international schools in Portugal

20 Best International Schools in Portugal 20 Best British International Schools in Portugal

Summary

What are the best IB international schools in Portugal?

  1. Oeiras International School
  2. St. Dominic's International School
  3. United Lisbon International School
  4. Oporto British School
  5. International Sharing School Taguspark
  6. Carlucci American International School of Lisbon

Find your International School

How Many International Schools are there in Portugal?

There are 71 international schools in Portugal. See them all

What are the most popular curriculums in Portugal?
Curriculum International schools
British 47  
Portuguese 26  
American 12  
IB 11  
Hybrid 7  
Other 26  

Additionally, there are 3 boarding schools in Portugal.

What are the most popular languages of instruction?
Language International schools
English 64  
Portuguese 26  
French 4  
German 3  
Swedish 1  
Other 1  

Among these, there are 18 bilingual schools in Portugal.

How Much do International Schools cost in Portugal?

The average price of international schools in Portugal is €11,536. (*)

Price for 12 y.o.
Min. price €5,400
Avg. price €11,536
Max. price €20,040
Price for 12 y.o. Number of international schools
€5,000 to €9,499 25  
€9,500 to €13,999 14  
€14,000 to €18,499 15  
€18,500 to €22,999 3  

(*) The price for one year of fees for a 12 year old (or the closest age to 12 available in the school), excluding one-time fees at enrolment.

How Big are Class Sizes in Portugal?

The average class size of international schools in Portugal is 16.5 students.

Class Size Number of international schools
1 to 5 1  
6 to 10 5  
11 to 15 11  
16 to 20 20  
21 to 25 9  

How big are the schools in Portugal (in number of students)?

The average size, in number of students, of international schools in Portugal is 459 students.

Number of students Number of international schools
1 to 300 33  
301 to 600 10  
601 to 900 6  
901 to 1,200 3  
1,201 to 1,500 4  
1,501 to 1,800 1  
1,801 to 2,100 1  
2,101 to 2,400 0  
2,401 to 2,700 1  

About Us

International Schools Database

The International School Database is a one-stop shop for finding, researching and comparing schools in cities across the world.

Each school's listing includes full contact details, school policies, nationality information, extra-curricular activities, and much more. Everything you need to know is all under one roof, so you can make an informed decision on the best school for your children.

Contact

Email us your questions, experiences or feedback at andrea@international-schools-database.com.