American International School of Zagreb
International School in Zagreb
Quick answer
American International School of Zagreb (AISZ) serves 341 students from 40 nationalities aged 3 to 18 in the Croatian capital. The school combines an American curriculum with the IB Diploma Programme at upper school, accredited by IBO, MSA-CESS and ECIS. Tuition $13,271-$25,413 per year. Established choice for diplomatic and corporate expat families in Zagreb seeking American-track education with strong IB sixth-form options.
Key facts
- Curriculum: IB, American leaving qualifications include IB Diploma and US Diploma.
- Tuition: $13,271–$25,413/yr published in HRK, US$ equivalent.
- Avg class size: 16 Zagreb international school · 341 students total.
- 40 nationalities top: Croatian, American.
- Ages: Ages 3 to 18 age range accepted.
- Accreditations: IBO, MSA-CESS, ECIS verified.
341
40 (Croatian, American)
16 avg
Rolling
IBO, MSA-CESS, ECIS
IB Diploma and US Diploma
About American International School of Zagreb
The American International School of Zagreb is a mission and vision-driven school. It is a Professional Learning Community where its success is achieved through collaboration and interdependence; AISZ works together as a community to achieve the best results possible for all its students.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $13,271 – $25,413 |
| Annual tuition (HRK) | 92586 kn-177292 kn |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $20,992(+9%) |
| First-year total (with registration + deposit) | $22,492 |
| Cost position in Zagreb | 100th percentile(premium tier) |
IB, American
IB Diploma and US Diploma
IB Diploma High School Diploma
French, German, Croatian, Chinese
unknown
English as an Additional Language
Yes
Is American International School of Zagreb right for your family?
A School Fit Brief scores this school against your children's ages, learning needs, and budget — with hidden fee analysis, admissions timing, and a ranked shortlist of alternatives in Zagreb.
Get School Fit Brief — $49One-time purchase · PDF + workspace · Source-backed analysis
At a Glance
Fee Position in Zagreb
PremiumSchool Profile
Class Size
Student Diversity
Highly diverse
Common: Croatian, American
Estimated Real Cost
Tuition + registration, transport, uniform, exams
Decide on this school — and four others
The $49 School Fit Brief covers American International School of Zagreb and 4 other top schools in Zagreb — tuition + true cost, curriculum fit, admission timeline, and red flags. Builds your shortlist in 8 minutes vs the $1,500–3,500 (and 2–4 weeks) an education consultant charges for the same answer.
Nearby Schools (within 5km)
Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.