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Best 3 British International Schools in Brussels

British International Education in Brussels

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Below, we have compiled the top 3 British international schools in Brussels according to our users. However, there are another 5 British schools to choose from in the city (and 27 total international schools.) 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 Brussels based on your requirements.

Recommended Schools

The British School of Brussels

Established in 1969, BSB is an all-through international school in Brussels. The leading IB school in Belgium, we offer three pre-university routes: A Levels, the International Baccalaureate (IB) Diploma and BTEC vocational courses in Business, Sports and Hospitality.
Curriculum
IB, British
Language of instruction
English
Ages
3 to 18
Yearly fees - 2026/2027
from: €20,600
to: €46,700
Reviews
(6 reviews)

Best 3 British International Schools in Brussels

Out of a total of 8 British International Schools in Brussels (and 27 total International Schools in Brussels)

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

ISF Waterloo International School

ISF Waterloo is a small school which is truly international. We focus on the student in small class sizes and prepare students to be confident learners and responsible citizens of the future. We are also proud to be a fully accredited CIS, BSO and COBIS school.
Curriculum
British, International
Language of instruction
English
Ages
3 to 18
Yearly fees - 2026/2027
from: €14,300
to: €24,460
Reviews
(2 reviews)

British Junior Academy of Brussels

Our mission is to deliver a broad and balanced education, which enables the individual child to develop to his or her maximum potential, in a dynamic and caring environment.
Curriculum
British, IB
Language of instruction
English
Ages
3 to 17
Yearly fees - 2026/2027
from: €18,513
to: €32,556
Reviews
(11 reviews)

ACE of Brussels

ACE of BRUSSELS is an inclusive Cambridge International school with a warm, loving ethos. With our blend of traditional and modern teaching and our use of technology, we provide individualised programmes of study to suit the needs of our students.
Curriculum
British
Language of instruction
English
Ages
3 to 18
Yearly fees - 2026/2027
from: €12,999
to: €22,530
Reviews
(7 reviews)
5 other British schools in Brussels ⇨

Find the Best British International School in Brussels for your family!

Other lists of best international schools in Brussels, Belgium

10 Best International Schools in Brussels (October 2026 Rankings) 6 Best IB International Schools in Brussels (October 2026 Rankings) 2 Best Montessori International Schools in Brussels (October 2026 Rankings) 3 Best European International Schools in Brussels (October 2026 Rankings)

Most Popular International Schools in Brussels in 2025

Most Popular International Schools in Brussels in 2025

Summary

What are the best British international schools in Brussels?

  1. ISF Waterloo International School
  2. British Junior Academy of Brussels
  3. ACE of Brussels

See all the schools in Brussels

27 International Schools in Brussels

How Many International Schools are there in Brussels?

There are 27 international schools in Brussels. See them all

What are the most popular curriculums in Brussels?
Curriculum International schools
IB 11  
British 8  
International 5  
European 5  
Montessori 4  
Other 8  

Additionally, there is 1 boarding school in Brussels.

What are the most popular languages of instruction?
Language International schools
English 27  
French 15  
German 6  
Dutch 5  
Italian 4  
Other 15  

Among these, there are 9 bilingual schools in Brussels.

How Much do International Schools cost in Brussels?

The average price of international schools in Brussels is €23,524. (*)

Price for 12 y.o.
Min. price €8,500
Avg. price €23,524
Max. price €48,135
Price for 12 y.o. Number of international schools
€8,500 to €18,499 7  
€18,500 to €28,499 10  
€28,500 to €38,499 1  
€38,500 to €48,499 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 Brussels?

The average class size of international schools in Brussels is 15.5 students.

Class size
Min. size 8 students
Avg. size 15.5 students
Max. size 20 students
Class Size Number of international schools
5 to 9 1  
10 to 14 5  
15 to 19 7  
20 to 24 5  

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

The average size, in number of students, of international schools in Brussels is 906 students.

Number of students Number of international schools
50 to 799 19  
800 to 1,549 2  
1,550 to 2,299 0  
2,300 to 3,049 4  
3,050 to 3,799 0  
3,800 to 4,549 1  

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International Schools Database

The International School Database is the best way to find, research, and compare international 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

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