
The oldest British school in mainland Europe, founded in 1894 with just 11 boys and now home to 558 students from 20+ nationalities. The only IB school in Northern Portugal — if you want the IB Diploma in Porto, OBS is your only option. Located in Foz do Douro, one of Porto's most desirable residential neighbourhoods, right by the Atlantic. Parent-governed and non-profit, OBS is run for the community rather than for shareholders. The student body is roughly 50% Portuguese families, 10% British, and 40% other nationalities — creating a genuinely integrated bilingual community.
Founded in 1894 with just 11 boys, OBS is the oldest British school in mainland Europe — and the only IB school in Northern Portugal. For families moving to Porto who want the IB Diploma, OBS is the sole option. Its parent-governed, non-profit structure means every euro goes back into the school, not to shareholders — and fees are noticeably lower than comparable schools in Lisbon.
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Get the Pack NowOBS operates rolling admissions — you can apply at any time, subject to availability, rather than waiting for a fixed intake window. The 5% capital charge is calculated on your annual fee, so it varies by year group. With 50% Portuguese families in the student body, OBS offers a level of local integration that most international schools in Portugal can't match — your children will make Portuguese friends and pick up the language naturally.
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