At a glance
| Factor | Madrid | Brussels |
|---|---|---|
| Average international school fees (secondary) | EUR 18,000 to 26,000 | EUR 22,000 to 49,000 (ISB at top) |
| Dominant curricula | IB, British, American, Spanish bilingual | IB, British, American, European Schools (free for EU staff) |
| Cost of living vs Madrid (Expatistan, 2026) | Baseline | About 25 to 30 percent higher |
| Family visa | EU citizens or non-lucrative or digital nomad | EU citizens or single permit |
| Expat share of city | About 13 percent in Madrid metro | About 30 percent in Brussels region |
| Typical relocation timeline | 8 to 12 weeks | 8 to 12 weeks |
Madrid is the better value of the two, with reasonable fees, sunny lifestyle and a strong bilingual school market. Brussels is more expensive and more bureaucratic, but offers the densest IB community in Europe, free or low-cost European Schools for EU staff, and central access to the European institutions.
Schools landscape side by side
Madrid's market is led by the International College Spain (IB continuum), the American School of Madrid (US accredited, IB Diploma), Runnymede College (British IGCSE and A Level), King's College Madrid (British), the British Council School (British), Hastings School and St George's. International College Spain and the American School run waiting lists at Years 1, 6 and 11. Most other schools admit qualified families within six to ten weeks.
Brussels has the deepest IB market on the continent, anchored by the International School of Brussels (ISB) in Watermael-Boitsfort, the British School of Brussels (BSB) in Tervuren, St John's International School in Waterloo, the European School of Brussels (four campuses, free for EU staff) and the International Montessori School. ISB and BSB are highly stable but premium-priced. See our Madrid city guide and Brussels city guide for live admission notes.
Not sure which city fits your family?
Take the 5 minute school finder quiz, then run the cost calculator for both cities. You get shortlisted schools plus a side by side relocation budget in under ten minutes.
Fees and value for money
International College Spain publishes 2026 to 2027 fees of EUR 13,200 in lower primary rising to EUR 24,800 in IB Diploma. The American School of Madrid runs EUR 14,000 to EUR 22,000 across the year groups. Runnymede and King's run EUR 12,500 to EUR 21,500. Most relocating families budget EUR 18,000 to EUR 28,000 per child all in including lunch, bus and matriculation.
ISB publishes 2026 to 2027 fees of EUR 25,700 in early years up to EUR 49,700 in IB Diploma, plus a one-off EUR 5,000 capital fee. BSB runs EUR 22,800 to EUR 36,500. St John's runs EUR 21,000 to EUR 35,000. European Schools are free for accredited EU staff and EUR 6,000 to EUR 12,000 for Category III applicants. Add 15 to 20 percent for ancillaries. Use our school fees explorer for live comparisons.
Curriculum availability
Madrid offers strong IB Diploma at ICS and ASM, British IGCSE and A Level at Runnymede and King's, the American Advanced Placement route at ASM and a robust Spanish bilingual offer at most national private schools. Brussels is IB-dominant at ISB and St John's, British at BSB, plus the European Baccalaureate at the four European Schools. For deep dives see the IB curriculum hub, British curriculum hub and American curriculum hub.
Neighbourhoods families pick
In Madrid, international school families pick Pozuelo de Alarcon and La Moraleja for ICS and ASM, and Las Rozas for British schools. A 4-bedroom chalet in La Moraleja runs EUR 4,000 to EUR 7,500 per month. In Brussels, families cluster in Tervuren and Sterrebeek for BSB, Waterloo and Rhode-Saint-Genese for St John's, and Uccle and Watermael-Boitsfort for ISB. A 4-bedroom house in Tervuren or Waterloo runs EUR 2,800 to EUR 5,500 per month, generally larger plots than Madrid.
Lifestyle and climate
Madrid is sunny for nine months of the year, with hot dry summers, mild winters, late evenings and a thick cultural calendar. Public transport, healthcare and street safety are excellent. Brussels is cooler and wetter, multilingual (French, Dutch, English), and sits at the heart of EU and NATO networks. It feels more international and more bureaucratic than Madrid. Brussels has direct rail to Paris, London, Amsterdam, Frankfurt and Cologne, which gives families exceptional European mobility for weekends.
Verdict: who picks which city
Choose Madrid if you want sunshine, lower fees, a vibrant Spanish-speaking environment, and a broad mix of IB, British and American schools. Choose Brussels if your role pulls you into EU or NATO networks, you want the deepest IB community in Europe, and the premium fees at ISB or BSB sit inside your package. Most families we work with compare both cities using the cost calculator before deciding. The five-year delta favours Madrid by about EUR 80,000 to EUR 150,000 per child.
Frequently asked questions
Is Madrid or Brussels cheaper for international school families in 2026?
Madrid is cheaper across school fees, housing, restaurants and transport. Brussels sits about 25 to 30 percent above Madrid on cost of living, and ISB fees alone are roughly double a typical Madrid international school.
Which city has better international schools?
Brussels has the deeper IB bench (ISB, St John's, BSB) and the European Schools network. Madrid has a wider mix of British, American and IB schools at lower prices, with ICS and ASM at the top.
Can I get into a European School in Brussels?
Only Category I (EU institution staff) get guaranteed free places. Category III (private sector) families can apply but face waiting lists and capped places, particularly at Brussels I and Brussels III.
Is the family visa easier in Madrid or Brussels?
EU citizens move freely to either. Non-EU families find Spain's non-lucrative and digital nomad visas more flexible than Belgium's single permit, which is tied tightly to a specific employer.
Where do most international families live in each city?
Madrid families cluster in Pozuelo de Alarcon, La Moraleja and Las Rozas. Brussels families pick Tervuren, Sterrebeek, Waterloo, Rhode-Saint-Genese, Uccle and Watermael-Boitsfort.
