· updated monthly
The five schools Brussels parents researched most this year, chosen from the 36 international schools in the city. Ranked by how many families opened each school’s profile and spent time reading it between July 2025 and June 2026, then the full picture on curricula, class sizes and fees.
The 2026 ranking
Ranked purely by parent interest — the number of families who opened each school’s profile and spent time reading it between July 2025 and June 2026.
The International School of Brussels is a private, not-for-profit day school in Belgium for ages 2–18. It offers IB programs (PYP, MYP, DP) along with AP, BTEC, and an American curriculum, with English as language of instruction. French begins at age 2.5, with a bilingual program from Grade 5; additional languages include Dutch, Spanish, and Japanese, and a Home Language Programme integrates languages spoken at home. ISB uses an inquiry-based, personalised learning approach across ECC to High School. Set on a 40-acre forest campus in Forêt de Soignes beside a UNESCO World Heritage site, the campus includes libraries, Arts Annex, theatre, science labs, a digital music classroom, and arts spaces. Sport and outdoor facilities include two gyms, a running track, athletic fields, a dojang, climbing walls, a tennis bubble, and a VUB swimming partnership. ISB Plus offers about 90 activities and 50+ teams, with community service, CAS, and leadership development.
St. John's International School is a private, all-through IB school in Waterloo, Belgium, part of Inspired Education Group, with boarding at Shannon House. It serves ages 1 to 18 and offers the IB continuum—PYP, MYP and DP—alongside AP courses for Diploma students. Five graduation pathways combine the IB Diploma with AP credits and the St John's High School Diploma. A Dual Language Programme in French and English runs from Early Years through Primary to foster bilingualism; in Grades 6–8 students study two to three languages, and Grades 9–10 feature a Mother Tongue Programme with eight languages. Language A and Self-Taught Literature are available within the Diploma. The Waterloo campus features bright classrooms, Samsung smartboards, VR headsets, and well-equipped visual and performing arts spaces, including a 400-seat professional theatre—the largest in Brussels—and the Greene Gallery. NECIS membership supports a vibrant co-curricular life, alongside Summer Camps and Exchange Programmes.
From the details provided, the institution described is Brussels Unit School, a DoDEA (Department of Defense Education Activity) school in Brussels. It serves preschool through 12th grade with a combined elementary, middle, and high school population and is part of Brussels Community Schools in DoDEA Europe West District. The curriculum is stated as American Curriculum with Advanced Placement (AP). The school offers a PSCD program for students with disabilities and a general special education program for a diverse learner population. The age range is 4 to 18. This profile does not include information about Brussels American School. If you intended Brussels Unit School, I can format a full school_character entry. If you need Brussels American School specifically, please provide the correct details or confirm that BAS is the target, and I will adjust accordingly.
BSB is a not-for-profit international day school in Belgium offering a UK-based curriculum for ages 1–18. The school provides a British curriculum up to age 16 (GCSE/IGCSE) and post-16 options including the International Baccalaureate Diploma, A Levels and BTEC vocational courses. A bilingual IB Diploma is available in French/English or Dutch/English, and a French-English bilingual Primary programme runs from Reception (age 4–5) with Dutch lessons beginning at age seven. Founded in 1969 and opened on the current site in 1970, BSB houses the Jacques Rogge Sports Centre, which includes a 25m indoor pool, gym, dance studio and multi-sport hall, plus extensive outdoor facilities. The Brel Theatre seats 240; there are music rooms, a recording studio and film-editing facilities, together with art studios, a CAD suite with a 3D printer, and textiles and Food & Nutrition classrooms. Extracurricular life features over 120 weekly sports clubs and around 200 clubs in total, with partnerships such as West Ham United, Swim Swift Elite and Special Olympics Belgium. The school runs the Duke of Edinburgh's Award and the Futures careers programme.
European School Brussels IV delivers the European Schools curriculum from nursery to secondary, providing a multilingual, culturally diverse education. Instruction uses official EU languages, with eight language sections—German, English, Bulgarian, Estonian, French, Italian, Dutch and Romanian—and Croatian for SWALS pupils. Basic instruction is delivered in the official languages, and curricula are aligned across language sections, with a strong focus on developing mother tongues and foreign languages. Students complete the European Baccalaureate at the end of S7, opening access to higher education throughout the Union. The school sits on the Laeken site, with nursery and primary in Building L and secondary in Building R. Facilities include science laboratories, art and music spaces, libraries, a canteen, sport halls and a multipurpose hall, plus infirmary, psychologists and after-school care. Extra-curriculars range from robotics and coding to Erasmus+, KiVa, Green & Clean School, and international projects (eTwinning, WEX, CAAP). Pupils' Committee enables student leadership.
What’s on offer
The mix of programmes and teaching languages across all 36 schools. Many offer more than one curriculum, so totals run higher than the school count.
Number of schools teaching each curriculum.
Number of schools teaching in each language.
Size & classes
School size and class size shape day-to-day experience as much as curriculum does.
Schools grouped by total enrolment.
Average school size is 907 students · based on the 17 schools that report enrolment.
Schools grouped by typical class size.
Average class size is 20.2 students · based on the 9 schools that report it.
What it costs
Fees shown are one year for a 12-year-old (or the closest age available), excluding one-time enrolment costs.
Across the 34 schools that publish a price for a 12-year-old. All figures in EUR.
How many schools sit in each annual-fee range.
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