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Oeiras International School

Lisbon, Portugal

  • PYP
  • MYP
  • DP
  • IB World School

About the school

Private IB World School in Barcarena (Oeiras), near Lisbon, founded in 2010 on a 5-hectare farm estate, with 463 students of 48+ nationalities. It offers the full IB continuum (PYP, MYP, DP) from Year 2 to Year 13.

Key facts

Founded
2010
IB Diploma since
2010
Students
about 463
Nationalities
48+
Ages
5-19
Status
Private
Teaching languages
English
Students
Co-educational
Boarding
No, day school

Programmes

  • PYP
    Primary Years Programmeages 3 to 12
  • MYP
    Middle Years Programmeages 11 to 16
  • DP
    Diploma Programmeages 16 to 19, authorised in 2010

Accreditations: NEASC

Tuition fees

€13,980 – €22,406 per year

Annual fees published by the school (2026-2027), from the youngest to the oldest year group. Registration, transport and meals may be extra. Source

Location

Quinta de Nossa Senhora da Conceição, Rua Antero de Quental 7, 2730-013 Barcarena, Portugal

Oeiras International School
IB World School
Quinta de Nossa Senhora da Conceição, Rua Antero de Quental 7, 2730-013 Barcarena, Portugal

Data checked in November 2026 against the International Baccalaureate directory and the school’s own website. Figures change: confirm with the school before deciding.

Sources: ibo.org · ois.pt

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