Location overviewBrussels, Belgium

View the school’s published address and plan your journey below.

The International School of Brussels

Brussels, Belgium

2 years 6 months–18 years

International, IB Diploma

English

Day school

Fees checked 2026-09-13

Ask the school about a place

Tuition Academic year not stated€22,995–51,105Annual tuition Ages2 years 6 months–18 yearsConfirmed age range CurriculumInternational · IB Diploma Language & boardingEnglishDay school

Fees Academic year not stated

The International School of Brussels fees for Academic year not stated are €22,995 for Preschool; €41,400 for Grades 1–2; €51,105 for Grades 10–12 a year.

€22,995–51,105

Annual tuition

School yearAcademic year not stated

Source checked2026-09-13

Grade & inclusionsSee the source-linked details below

Academic year not stated · Annual tuition
Stage / provision	Annual tuition
Preschool	€22,995
Pre-Kindergarten	€25,480
Kindergarten	€38,440
Grades 1–2	€41,400
Grades 3–6	€42,145
Grades 7–9	€48,135
Grades 10–12	€51,105

Displayed annual tuition; academic year requires confirmation. Intensive learning support costs extra.

School fee source ↗ · checked 2026-09-13

Key facts

School stagesThe lower school covers early years and elementary education; upper school covers middle and high school.

Ages2 years 6 months–18 years

QualificationsInternational, IB Diploma

Teaching languageEnglish

BoardingDay school

AddressKattenberg 19, 1170

Admissions & entry points

A section-level review of each applicationApply through the virtual platform and submit the required documents.

A section-level review of each application

Apply through the virtual platform and submit the required documents. The relevant school-section head and educational team review the file. Successful families receive an official decision and are asked to confirm the offer within five working days. Applications involving learning support, financial aid or other special circumstances can take longer.

Source ↗ · checked 2026-09-13

Learning & qualifications

About The International School of BrusselsA nonprofit Brussels school from preschool to Grade 12, with personalised learning and an inclusion team spanning lear…

About The International School of Brussels

A nonprofit Brussels school from preschool to Grade 12, with personalised learning and an inclusion team spanning learning, health and psychological services.

Sources reviewed 14 September 2026

Preschool to Grade 12 with personalised learning

The lower school covers early years and elementary education; upper school covers middle and high school. ISB describes a regularly reviewed international curriculum adapted to pupils’ interests and learning needs. The fees page confirms an IB Diploma route. Discuss the precise senior qualification and course choices before a transfer.

Source ↗ · checked 2026-09-13

Support, school day & campus

A multidisciplinary inclusion teamThe Inclusion and Challenge department brings together learning support, counselling, psychological services, health, high-abi…

A multidisciplinary inclusion team

The Inclusion and Challenge department brings together learning support, counselling, psychological services, health, high-ability programmes and intensive learning. Student-study teams coordinate individual strategies. Intensive Learning Support has a substantial additional fee, so obtain confirmation of both the placement and the full cost for the child’s proposed programme.

Source ↗ · checked 2026-09-13

A secure campus in southeast Brussels

The address is Kattenberg 19, 1170 Brussels, with visits by appointment. The school advises drivers to use Avenue de la Foresterie for navigation. Bus, tram and train routes serve the surrounding area; cycling paths connect with the nearby forest. Check the actual arrival route and school-bus eligibility before selecting housing.

Source ↗ · checked 2026-09-13

School address

The school publishes this contact address: Kattenberg 19, 1170.

Source ↗ · checked 2026-09-15

Day-school classification

The International Baccalaureate record classifies the school’s Diploma programme as day provision.

Source ↗ · checked 2026-10-03

First-year budget & additional costs

Tuition plus family application and support chargesThe displayed annual tuition runs from €22,995 in preschool to €51,105 in Grades 10–12.

Tuition plus family application and support charges

The displayed annual tuition runs from €22,995 in preschool to €51,105 in Grades 10–12. Intensive Learning Support adds €25,860 to the grade fee. The application fee is €2,000 once per family. Although bus rates are dated 2026/27, the tuition table itself lacks a clear year label; request confirmation before using it as a current budget.

Source ↗ · checked 2026-09-13

Location