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School comparison · Lisbon
Side-by-side comparison · Updated 2026-04-26 · Both schools in Lisbon
| Metric | Carlucci American International School of Lisbon (CAISL) | TASIS Portugal |
|---|---|---|
| Curriculum | American, IB | British, American |
| Ages served | 3-18 | Ages 3 to 18 |
| Language of instruction | English | English |
| Tuition USD |
| $12,000-$24,000 |
| $12,390-$23,160 |
| True annual cost? | $19,320 | $18,985 |
|---|
| Hidden fee %? | +7% | +7% |
|---|
| First-year cost? | $20,820 | $20,485 |
|---|
| WhereNext Value Score? | 73/100 | 59/100 |
|---|
| Cost percentile (city)? | 91th | 86th |
|---|
| Students | 755 | 880 |
|---|
| Nationalities | 62 | 60 |
|---|
| Avg class size | 20 | 24 |
|---|
| Admissions | Moderate | Moderate |
|---|
| Accreditations | MSA-CESS, IBO | IBO, 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 · Carlucci American International School of Lisbon (CAISL)
View the full Carlucci American International School of Lisbon (CAISL) school profile →
Full profile · TASIS Portugal
View the full TASIS Portugal school profile →
Best value in Lisbon
All schools ranked by WhereNext Value Score →
True annual cost in Lisbon
All schools ranked by total annual cost →
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