Jeju

Jeju Global Education City is not a school district that grew — it is a national project. In 2008 the Jeju Free International City Development Center (JDC) began building an English-immersion education city on 3.79 million square metres of farmland in Daejeong-eup, on the island’s rural southwest near Seogwipo. The stated motive was economic and social at once: Korean families were spending more than $1 billion a year educating children abroad, and the early-study-abroad wave was splitting households for years at a time. The GEC was the attempt to repatriate both the money and the children. ↗

Four schools operate today, each partnered with an established foreign school: NLCS Jeju (opened 2011, the first; sister of North London Collegiate School, UK), KIS Jeju (2011; sister of Korea International School, and the country’s first international boarding school), Branksome Hall Asia (2012; sister of Branksome Hall, Toronto) and St. Johnsbury Academy Jeju (2017; sister of the Vermont academy founded 1842). JDC counts 4,637 students across the four as of 2024, and a fifth school — Fulton Science Academy Sutton — is targeting a September 2028 opening. ↗

The design brief was total immersion: English as the language of instruction, boarding houses, and a town around the schools where commerce was meant to run in English too. Nearly two decades in, the schools have clearly succeeded; the surrounding city remains quieter and more Korean-speaking than the brochures promised. Both facts matter for families.

South Korea’s mainland foreign schools exist for foreign residents. A Korean-national child may attend one only after living overseas for three or more years, and Korean nationals are capped at 30 per cent of a school’s seats (school regulations may add 20). That rule, policed at enrolment, is what keeps the big Seoul schools — SFS, YISS, Dulwich, Dwight — as foreign-passport institutions. Our Seoul guide covers the mainland framework in detail. ↗

The GEC schools operate under a different designation, approved by the Jeju provincial superintendent: they may enrol Korean nationals at up to 100 per cent of seats, with no overseas-residence requirement, and their leaving qualifications are recognised within the Korean system. At KIS Jeju, Korean nationals graduate with both a US and a Korean high school diploma. This is why NLCS Jeju, Branksome, SJA Jeju and KIS Jeju exist at all — the legal carve-out is the market. ↗

Two consequences parents should understand. First, the student body: early Korea Herald reporting put NLCS Jeju’s Korean-national share at 98 per cent, and no school publishes a current figure — but expect an overwhelmingly Korean peer group with an international teaching staff, not the reverse. Second, the statehood trade: Korean-passport holders at these schools are legally required to study Korean language, Korean history and Korean social studies alongside the English-medium programme. The carve-out is an English-immersion school inside Korean law, not an exemption from it. ↗

All four bill tuition in split Korean-won and US-dollar portions — SJA Jeju states a 70/30 KRW/USD split explicitly — so every invoice carries two currencies. Figures below are annual, day students unless noted:

• North London Collegiate School Jeju — the academic flagship and the GEC’s first school: co-ed, ages 4-18, about 1,300-1,400 pupils, British curriculum to IGCSE then IB Diploma. Official 2025-26 tuition: ₩20,199,990 + $11,707 (Reception) rising to ₩28,316,010 + $16,404 (Sixth Form), plus ₩400,000 application, ₩3,000,000 capital fee and a refundable ₩5,000,000 acceptance deposit. Aggregated 2026-27 all-in day totals run ₩37.2M-52.2M. Boarding 2025-26: ₩12.2M (junior weekly) to ₩16.9M (senior full) on top. ↗
• Branksome Hall Asia — the IB continuum school (PYP, MYP, DP) and Korea’s only international girls’ school: co-educational in the junior years, girls-only from Grade 6, with boys being phased out of the upper grades (admitted to Grade 9 for 2025-26). 2024-25 tuition ran ₩20.9M + $13,598 (PYP) to ₩25.6M + $16,622 (DP Grade 12); aggregated 2025-26 day totals run ₩42.0M-51.4M. Full-time boarding was ₩20.7M, with a weekday-only option at ₩16.5M. Non-Korean students can apply for 30 per cent International Merit Scholarships on tuition and boarding. ↗
• St. Johnsbury Academy Jeju — the American option: US Common Core with AP courses (the first school in East Asia to adopt College Board’s AP SpringBoard), about 1,100 students, boarding from Grade 5. Official 2026-27: elementary tuition ₩24,588,000 + $9,161, plus ₩400,000 application, ₩5,000,000 one-time registration, a ₩3,600,000 international student fee and a ₩4,235,000 annual bus fee; siblings get 5-10 per cent tuition discounts. ↗
• KIS Jeju — Korea’s first international boarding school (2011), sister of Korea International School in Seoul/Pangyo, WASC-accredited, US curriculum with AP and dual US-Korean diplomas for Korean nationals. Official 2026-27 tuition per semester: ₩8,670,000 + $4,382 (JK-K) rising to ₩12,480,000 + $6,264 (Grade 12) — roughly ₩17.3M + $8,764 to ₩25.0M + $12,528 a year — plus ₩3,000,000 entrance and enrolment-deposit fees and a dormitory charge of ₩8,450,000 per semester (Grades 8-12, single). ↗

Read the bills like a Korean, not like a brochure: first-year costs add application fees (₩400,000 is the standard), registration and capital charges, and — at every school — the USD portion of tuition floats with the exchange rate while the KRW portion does not. For the curriculum choice underneath the brand names, see our IB vs British vs American guide.

NLCS Jeju publishes the region’s strongest numbers. Its 2025 IB Diploma average was 37.0 points against a world average of 30.6 (the school reports 37.1 for 2026), with one perfect 45 and eight 44s in 2025; 75.3 per cent of 2025 IGCSE grades came out at A*/A. The Class of 2025’s offer list included Oxford (2), Cambridge (1), Imperial College London (10), UCL (23), King’s College London (27), the University of Pennsylvania, Cornell (3), Brown, UC Berkeley (6) and UCLA (6), plus 44 offers from the University of Toronto. JDC reports 668 of roughly 1,200 NLCS Jeju graduates have reached QS top-100 universities. ↗

Two honest caveats. First, offer counts are not enrolments — schools count every offer a cohort receives, and 44 Toronto offers do not mean 44 Toronto students. Second, the other three schools disclose far less. SJA Jeju reports strong AP performance (it cites 99 per cent of scores at 3-5); Branksome Hall Asia discusses IB results on request rather than publishing averages; KIS Jeju points to its WASC accreditation and AP programme. Before paying Jeju-level fees at any of them, ask for three years of results and a matriculation list — not an offer list. ↗

For a generation, ambitious Korean families solved the English- education problem by splitting: mother and children to California, Vancouver, Sydney or Auckland; father working in Seoul — the gireogi gajok, the “goose family,” named for migratory birds. The social cost became a national talking point, and it is the phenomenon the GEC was explicitly built to end. ↗

What replaced it is a domestic version of the same geometry: the household stays in Seoul, the child boards on Jeju, and the family reunites on weekends. Weekly-boarding programmes exist precisely for this — NLCS Jeju offers junior weekly boarding from Year 3 and Branksome a weekday-only option — and the logistics work because Seoul Gimpo–Jeju is an air bridge like no other: the world’s busiest airline route in 2025, with 14.4 million scheduled seats across seven carriers, at about 70 minutes gate to gate. ↗

For foreign families this cuts both ways. The boarding houses are well run and the weekend exodus is a rhythm your child will feel — the campus empties on Friday afternoon. If you are posted to Jeju itself, your child is a day student in a boarding-majority culture; if you are posted to Seoul, Jeju is a boarding decision first and a school decision second. Our boarding-school guide covers the questions to ask any residential school before committing.

The GEC schools are selective in a way mainland foreign schools are not, because their applicants are competing, not just eligible. NLCS Jeju’s acceptance rate is reported at around 40 per cent and Branksome Hall Asia’s at roughly 50 per cent (boarding-directory figures — treat as approximate). Branksome runs fixed assessment dates from November through March with a December priority deadline; SJA Jeju runs rolling admissions with MAP tests in English and maths plus a principal interview, and some grades carry waitlists. ↗

English is the gate. These are immersion schools with limited English-support runway in the upper years, and assessments test English alongside maths from the early grades; families report spending a year or more on preparation, and the admissions calendars reward families who apply in the autumn for the following August. Foreign-passport applicants can usually be assessed remotely — Branksome offers virtual assessments for applicants abroad — but the standard is the same.

The calendar itself is the familiar international one: all four schools run an August-start year on the northern-hemisphere rhythm, aligned with their sister schools in London, Toronto, Vermont and Seoul.

The GEC sits in Daejeong-eup, a rural district of tea farms and volcanic forest near Seogwipo on the island’s southwest — 40 to 60 minutes by road from Jeju City and the airport. The setting is genuinely beautiful and genuinely quiet: there is no city at the school gates, and the English-speaking commercial city the masterplan promised has materialised only in pockets. Daily life for a resident parent means Korean-language errands, a car, and planned trips to Jeju City for anything beyond basics. ↗

The connectivity is the compensation. Beyond the Seoul air bridge, Jeju has courted remote workers with its own digital-nomad visa (launched 2025, layered on the national one), and the island’s UNESCO-listed landscape — Hallasan, the olle trails, the beaches — is the weekend curriculum the schools themselves use. Families comparing a Jeju posting against a mainland one should price the trade honestly: world-class schools and air, versus the thinnest urban infrastructure of any city guide on this site. ↗

Forum and Korean parent-blog material is texture, not evidence — we attribute it as reported experience. The recurring themes:

• “It is a Korean school experience in English.” Parents — Korean and foreign alike — describe an academically intense, university-driven peer culture. Families seeking a gentle international bubble are surprised; families escaping the hagwon treadmill are sometimes surprised the other way.
• The Friday exodus is real. Weekly boarders fly home in numbers, and parents of full boarders and day students describe a campus that changes character on weekends — something to ask about on the tour, especially for children who will not be flying to Seoul weekly.
• Admission prep is an industry. Korean parent communities treat GEC admissions like a mainland hagwon track — English assessments, interview prep, application timing — and families arriving cold for a mid-year seat report a harder path than the “rolling admissions” label suggests.
• The won–dollar bill moves. Parents note that the USD portion of tuition makes the annual cost drift with the exchange rate even when the school holds its KRW figures flat.
• Isolation cuts both ways. Resident expat parents love the safety, air and outdoors; they also warn that Daejeong is not Seogwipo town, Seogwipo is not Jeju City, and Jeju City is not Seoul — plan adult life as carefully as the school.

Every fee figure and policy claim above traces to our research dossier. Primary sources: the NLCS Jeju 2025-26 fee schedule, SJA Jeju’s 2026-27 tuition page, KIS Jeju’s 2026-27 fee table, and the Jeju GEC investment proposal that documents the Korean-national eligibility carve-out. Branksome Hall Asia’s figures come from a relocation-agent reproduction of the school’s schedule and are marked medium confidence. Aggregated totals (International Schools Database) should be confirmed against each school’s own schedule before you budget.

Fees and policies expire. This page was researched on 2 September 2026 and is re-verified each academic year — see our research standard for how claims are graded, and corrections if you spot something stale.

1. Decide boarding before brand. If your household will live on Jeju, all four schools are day-school options and the choice is curriculum and culture. If your household stays in Seoul, you are choosing a boarding school — start with our boarding guide and the weekly-versus-full boarding question.

2. Fix the curriculum. British-to-IB at NLCS Jeju, all-IB at Branksome, American AP at SJA Jeju and KIS Jeju — our curriculum guide walks the portability trade-offs.

3. Compare the mainland. Foreign-passport families should weigh Jeju against Seoul’s day schools directly; the South Korea guide maps the full national picture including Songdo and Busan.

4. Ask for outcomes in writing. Three years of IB or AP results and a matriculation list — not an offer list — from every school you are seriously considering.