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St. John's International School - Brussels

Belgium, Brussels

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School Essentials

Foundational information about the school

School Type

Independent/Private

Country Affiliation

International

Pupil Nationality Mix

Over 65 nationalities represented

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The school at a glance
Instructs in English
Fees €14,200 - 44,600
Ages 1 - 18 years
Pupil numbers 800
Type Co-educational, Day, Boarding
Opened 1964
Bus Service Yes

St. John's International School is a co-educational day and boarding school in Waterloo, Belgium, founded in 1964. The school offers the full IB continuum from ages 3 to 18 and boarding for students aged 11-17. With 65+ nationalities represented, it boasts the best IBDP average in Belgium (36 points in 2025), with 40% of students scoring 38+ points. Its performing arts centre is described as the finest of any school in Belgium.

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