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The British School of Brussels vs The International School of Brussels

🇧🇪 Brussels · Side-by-side comparison on verifiable public data.

Neither The British School of Brussels nor The International School of Brussels sits in a market with a public inspectorate, so both are assessed on verifiable accreditation, curriculum authorisation, and published data rather than an official quality rating. Curriculum is the core differentiator: The British School of Brussels offers British, IB while The International School of Brussels offers IB, American — the choice should follow the family's target qualification system. Both are day schools with fees in the same market band — see the table below for the figures, and verify against each school's own published fees.

Key Facts

The British School of BrusselsThe International School of Brussels
CurriculumBritish / IBIB / American
Ages2.5–182.5–18
Languages of instructionEnglish, French, DutchEnglish, French, Dutch, Spanish, Japanese
Annual feesEUR 20,600–46,700Not published
Enrollment1,2001,300
BoardingDay onlyDay only
AccreditationsCOBIS, BSO, HMC, AGBISCouncil of International Schools (CIS), Middle States Association (MSA-CESS), International Baccalaureate Organization (IB World School)

Strengths

The British School of Brussels
  • One of very few schools in Belgium offering A Levels, the IB Diploma and BTEC together, giving families a genuine choice of post-16 route
  • Broad British-sector accreditation and membership footprint (BSO, COBIS, HMC, AGBIS)
  • Established British-international provision since 1969 with a large, highly international community (65+ nationalities)
  • Formal bilingual (French-English) pathway plus a Dutch mother-tongue programme for younger children
The International School of Brussels
  • Dual international accreditation — Council of International Schools (CIS) and Middle States Association (MSA-CESS) — plus IB World School status.
  • Unusually broad range of high-school graduation pathways (IB Diploma, Advanced Placement, BTEC and a US High School Diploma).
  • Long institutional history, established in 1951, and a large, diverse community of 1,300+ students from 60+ nationalities.
  • Low reported student-to-teacher ratio (7:1) and dedicated Inclusion & Challenge support across all age groups.

Trade-offs

The British School of Brussels
  • !No graded public inspection band is published, so external outcomes must be taken from the school's own reporting
  • !Dedicated English-as-an-Additional-Language (EAL) support is not described on the school's public pages
  • !Fees at the upper year groups are among the higher band for the region
The International School of Brussels
  • !Tuition and fees are not published on the publicly accessible pages reviewed, limiting cost transparency for prospective families.
  • !No single graded public inspection band exists for international schools in Belgium, so no external Outstanding-style rating is available.
  • !PYP and MYP authorization could not be confirmed from official IB or school sources at time of review (only the IB Diploma is verified).

Best Fit For

The British School of Brussels
  • Families wanting a choice between A Levels, IB and BTEC at one school
  • English-speaking expatriate families near Brussels/Tervuren
  • Families seeking a French-English bilingual or Dutch mother-tongue route in the early and primary years
The International School of Brussels
  • Internationally mobile families wanting choice among IB, AP, BTEC and US-diploma pathways at one school.
  • Students seeking an accredited English-medium education with structured additional-language and home-language options.
  • Families needing English-language development (EAL) or learning-support services.

University Placement

School-reported · not independently verified

The British School of Brussels

The school reports strong public-examination outcomes and university destinations including Imperial, Cambridge, UCL and NYU (school-reported, unverified). No independent placement figures are published.

The International School of Brussels

University-destination and IB/AP results data were not published on the pages reviewed (school-reported, unverified). Contact the school for outcome statistics.

Frequently Asked Questions

Should I choose The British School of Brussels or The International School of Brussels?

The British School of Brussels is best for: Families wanting a choice between A Levels, IB and BTEC at one school. The International School of Brussels is best for: Internationally mobile families wanting choice among IB, AP, BTEC and US-diploma pathways at one school.. The right choice depends on target curriculum, budget, and family priorities — the two are not linearly comparable.

How do fees compare between The British School of Brussels and The International School of Brussels?

The British School of Brussels: EUR 20,600–46,700. The International School of Brussels: Not published. Verify against each school's own published fees; some figures are sourced from third-party aggregators.

What curricula do The British School of Brussels and The International School of Brussels offer?

The British School of Brussels: British, IB. The International School of Brussels: IB, American.

Do The British School of Brussels or The International School of Brussels offer boarding?

The British School of Brussels: day school only. The International School of Brussels: day school only.

This comparison is BrightKey's independent assessment using verifiable public data only. University-placement figures are school-reported and not independently verified. BrightKey takes no payments from schools. Our method →