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Oeiras International School

Quinta Campus (Y3 to Y9)

Quinta da Nossa Senhora da Conceição
Rua Antero de Quental, Nº 7
2730-013 Barcarena

PYP Campus (Y1 & Y2)

Rua 7 de Junho n. 5,
2730-174 Barcarena

Horizon Campus (Y10 to Y13) – starting Sept. 2026

Rua Humberto Madeira n. 7,
2730-097 Barcarena


Telephone: +351 211 935 330 | Mobile: +351 912 603 065

Email office@ois.pt

Business Hours: 8am to 5pm, Monday to Friday

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