🇰🇷 Jeju
Best International Schools in Jeju
The top-rated international schools in Jeju include Branksome Hall Asia, Korea International School Jeju, North London Collegiate School Jeju. BrightKey has independently rated 4 schools on verifiable public data — ordered by inspection & accreditation tier, with no payments from any school.
What “best” means here
This is not a paid ranking — no school can buy a position. Order follows our transparent tier: in markets with a graded public inspectorate (e.g. Dubai's KHDA), by the verifiable inspection band; where there is none, by accreditation depth and curriculum authorisation, capped at A. Within a tier, schools are listed alphabetically. School-reported university placement is always flagged and never tiered.
Read the full tiering methodology.
A premium, full-continuum IB World School with genuine pedigree (sister to Branksome Hall Toronto, est. 1903) and strong published DP outcomes — on a remote Jeju Global Education City campus, with CIS/WASC accreditation unconfirmed in public sources. Now co-ed (a 'diamond model'), no longer all-girls.
A rigorous, well-established American college-preparatory school — the first international boarding school in South Korea — and an anchor tenant of Jeju Global Education City. Strong AP breadth (including AP Capstone) and full WASC accreditation make it a credible Tier A, though its remote Jeju location and overwhelmingly Korean-national student body limit international diversity.
A top-tier British-international boarding school (sister to NLCS London, est. 1850) in Jeju Global Education City, with genuinely outstanding school-published IB results (37.0 average in 2025 vs ~30.6 world). South Korea has no public inspectorate and no verbatim BSO/ISI band is published, so the tier caps at A on accreditation depth.
A strong, fully NEASC-accredited American school and the academic standout of Jeju Global Education City — its self-described 'top AP school in Korea' status is backed by published exam data. Best for families committed to a US college pathway via AP. Watch-outs: it is the newest JGEC school with a shorter track record, and its remote Jeju location suits boarders and JGEC-resident families more than day commuters.
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