International School of Siena
International School in Siena
Quick answer
International School of Siena (ISS) serves 200 students from 30 nationalities aged 3 to 18 in central Tuscany, Italy. The school is an IB Continuum World School, accredited by IBO and CIS. Tuition $13,470-$22,490 per year. Strong fit for academic, hospitality and remote-work expat families on Siena, Florence and broader Tuscany assignments seeking IB-track education with intentionally smaller cohort sizes in heritage central Italy.
Key facts
- Curriculum: IB taught at International School of Siena.
- Tuition: $13,470–$22,490/yr published in EUR, US$ equivalent.
- Avg class size: 14 (max 18) Siena international school · 200 students total.
- 30 nationalities top: Italian.
- Ages: Ages 3 to 18 age range accepted.
- Accreditations: IBO, CIS verified.
200
30 (Italian)
14 avg / 18 max
Rolling
IBO, CIS
About International School of Siena
International School of Siena provides high quality, international education for children starting from 3 years of age from the local and expatriate community around Siena.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $13,470 – $22,490 |
| Annual tuition (EUR) | 13470-22490 |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $19,630(+9%) |
| First-year total (with registration + deposit) | $21,130 |
IB
IB Diploma
Our school average last year was 36.2
Italian, Spanish
unknown
Yes
Yes
Yes
Is International School of Siena right for your family?
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At a Glance
Fee Position in Siena
Mid-rangeSchool Profile
Class Size
Student Diversity
Highly diverse
Common: Italian
Estimated Real Cost
Tuition + registration, transport, uniform, exams
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