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School comparison · Koh Samui
Side-by-side comparison · Updated 2026-04-26 · Both schools in Koh Samui
| Metric | International School of Samui | PBISS International School |
|---|---|---|
| Curriculum | British | British |
| Qualifications | IGCSE and A-Levels and BTEC | IGCSE and A-Levels |
| Ages served | Ages 3 to 18 | Ages 1 to 18 |
| Language of instruction |
| English |
| English |
| Tuition USD | $13,746-$17,183 | $7,492-$12,479 |
|---|
| True annual cost? | $17,115 | $11,486 |
|---|
| Hidden fee %? | +11% | +15% |
|---|
| First-year cost? | $18,615 | $12,986 |
|---|
| WhereNext Value Score? | 54/100 | 45/100 |
|---|
| Cost percentile (city)? | 100th | 86th |
|---|
| Avg class size | 24 | — |
|---|
| Boarding | No | Yes |
|---|
| Admissions | Competitive | Open |
|---|
| Accreditations | CIE | CIE |
|---|
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 · International School of Samui
View the full International School of Samui school profile →
Full profile · PBISS International School
View the full PBISS International School school profile →
Best value in Koh Samui
All schools ranked by WhereNext Value Score →
True annual cost in Koh Samui
All schools ranked by total annual cost →
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