Loading...
School comparison · Madrid
Side-by-side comparison · Updated 2026-04-26 · Both schools in Madrid
Quick answer
Both schools offer IB.
Want a fit-ranked shortlist for YOUR family across Madrid? Free in 60 seconds.
Build family shortlist (free) →| Metric | SEK International School El Castillo | SEK International School - El Castillo |
|---|---|---|
| Curriculum | IB | IB, Local+English |
| Ages served | 4-18 | Ages 1 to 18 |
| Language of instruction |
|---|
| English |
| — |
| True annual cost? | $15,800 | — |
|---|
| Hidden fee %? | +13% | — |
|---|
| First-year cost? | $17,300 | — |
|---|
| WhereNext Value Score? | 69/100 | — |
|---|
| Cost percentile (city)? | 93th | — |
|---|
| Students | 1,050 | 1,050 |
|---|
| Nationalities | 45 | 45 |
|---|
| Avg class size | 20 | — |
|---|
| Boarding | No | Yes |
|---|
| Admissions | Open | Open |
|---|
| Accreditations | IBO, CIS | IBO, CIS, NEASC |
|---|
Highlighted cells indicate which school holds the more favourable value for arriving expat families on that dimension (e.g. lower tuition, smaller class size, higher Value Score, more open admissions). Some rows are neutral.
Full profile · SEK International School El Castillo
View the full SEK International School El Castillo school profile →
Full profile · SEK International School - El Castillo
View the full SEK International School - El Castillo school profile →
Best value in Madrid
All schools ranked by WhereNext Value Score →
True annual cost in Madrid
All schools ranked by total annual cost →
The School Fit Brief weights every dimension above against your family's specific needs — budget, learning support, curriculum preference, age band, family priorities — and produces a definitive recommendation with a 30-day action plan. $49 one-time.