ISF Waterloo International School
International School in Brussels
Quick answer
ISF Waterloo International School in the southern Brussels suburbs serves 235 students from 52 nationalities aged 3 to 18. The school delivers the National Curriculum of England with IGCSE and A Level pathways, accredited by CIS, COBIS and BSO. Tuition $14,020-$23,980 per year. Long-established choice for diplomatic, EU-institution and NATO-affiliated expat families on Waterloo assignments seeking British-track education in Belgium's international community corridor.
Key facts
- Curriculum: British leaving qualifications include IGCSE and A-Levels.
- Tuition: $14,020–$23,980/yr published in EUR, US$ equivalent.
- Avg class size: 14 (max 18) Brussels international school · 235 students total.
- 52 nationalities top: Belgian, British, Pakistani.
- Ages: Ages 3 to 18 school day starts at 08:55.
- Accreditations: CIS, COBIS, BSO verified.
235
52 (Belgian, British, Pakistani, Saudi, Spanish)
14 avg / 18 max
Rolling
CIS, COBIS, BSO
IGCSE and A-Levels
About 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.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $14,020 – $23,980 |
| Annual tuition (EUR) | 14020-23980 |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $20,320(+7%) |
| First-year total (with registration + deposit) | $21,820 |
| Cost position in Brussels | 56th percentile(above average) |
British
IGCSE and A-Levels
IGCSE and AS and A Level exams from Cambridge
Vary according to individual students
French, with the possibility to do Spanish, Dutch, Arabic, German and Chinese as independent candidates.
We have an independent Occupational Therapist who works on-site during school hours
Yes
Yes - the school provides EAL support
08:55 – 3:30 and Primary children finish at 12:30 on a Wednesday Secondary students finish at 15:45 each day
Yes
Yes
Is ISF Waterloo International School right for your family?
A School Fit Brief scores this school against your children's ages, learning needs, and budget — with hidden fee analysis, admissions timing, and a ranked shortlist of alternatives in Brussels.
Get School Fit Brief — $49One-time purchase · PDF + workspace · Source-backed analysis
At a Glance
Fee Position in Brussels
Budget-friendlySchool Profile
Class Size
Student Diversity
Very diverse
Common: Belgian, British, Pakistani, Saudi, Spanish
Estimated Real Cost
Tuition + registration, transport, uniform, exams
Decide on this school — and four others
The $49 School Fit Brief covers ISF Waterloo International School and 4 other top schools in Brussels — tuition + true cost, curriculum fit, admission timeline, and red flags. Builds your shortlist in 8 minutes vs the $1,500–3,500 (and 2–4 weeks) an education consultant charges for the same answer.
Nearby Schools (within 5km)
Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.