International School of Busan
International School in Busan
Quick answer
International School of Busan (ISB) serves 350 students from 40 nationalities aged 3 to 18 in South Korea's southern port city. The school is an IB Continuum World School, accredited by IBO, CIS, WASC and ECIS — a four-accreditation set. Tuition $21,080-$33,833 per year. Strong fit for shipping-industry, diplomatic and corporate expat families on Busan assignments seeking established IB pathways outside the Seoul metro area.
Key facts
- Curriculum: IB taught at International School of Busan.
- Tuition: $21,080–$33,833/yr published annual range.
- 40 nationalities top: USA.
- Ages: Ages 3 to 18 school day starts at 8:30.
- Accreditations: IBO, CIS, WASC plus 1 more.
350
40 (USA)
23 max
Rolling
IBO, CIS, WASC, ECIS
About International School of Busan
International School of Busan is an international school situated in Busan, South Korea's second largest city. ISB educates children from the age of three years old, right through to university entrance age in Grade 12.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $21,080 – $33,833 |
| Annual tuition (local) | ₩28457808-₩45673943 |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $28,777(+5%) |
| First-year total (with registration + deposit) | $30,277 |
IB
IB Diploma
Korean, Spanish
unknown
English as an Additional Language
8:30 – 15:30
Yes
Is International School of Busan 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 Busan.
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At a Glance
Fee Position in Busan
Mid-rangeSchool Profile
Student Diversity
Highly diverse
Common: USA
Estimated Real Cost
Tuition + registration, transport, uniform, exams
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The $49 School Fit Brief covers International School of Busan and 4 other top schools in Busan — 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.
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