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School comparison · Riyadh
Side-by-side comparison · Updated 2026-04-26 · Both schools in Riyadh
| Metric | Education Castle International School | Horizon International School |
|---|---|---|
| Curriculum | American | British, American |
| Ages served | Ages 3 to 14 | Ages 3 to 18 |
| Language of instruction | English | English |
| Tuition USD |
|---|
| $12,100-$14,850 |
| $19,500-$31,875 |
| True annual cost? | $16,975 | $29,538 |
|---|
| Hidden fee %? | +26% | +15% |
|---|
| First-year cost? | $18,475 | $31,038 |
|---|
| WhereNext Value Score? | 60/100 | 55/100 |
|---|
| Cost percentile (city)? | 7th | 34th |
|---|
| Admissions | Open | Open |
|---|
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 · Education Castle International School
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Full profile · Horizon International School
View the full Horizon International School school profile →
Best value in Riyadh
All schools ranked by WhereNext Value Score →
True annual cost in Riyadh
All schools ranked by total annual cost →
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