Oeiras International School (OIS) (Barcarena)
A non-profit IB World School nestled in a historic 16th-century estate, known for environmental stewardship, small class sizes, and top academic rigor.
Verified · October 2026
| Primary (Years 1–5) | €11,200 – €14,100 / year |
|---|---|
| Middle School (Years 6–9) | €15,400 – €18,600 / year |
| IB Diploma (Years 10–12) | €20,200 – €23,400 / year |
| Capital Development Levy | €1,500 one-off |
Curriculum & Accreditation
Delivers the IB Middle Years Programme (MYP) and IB Diploma Programme (DP) with consistently above-world-average IB point outcomes.
Catchment, Commute & Relocation Reality
Located in Barcarena valley, offering rapid highway access to Oeiras, Belém, Restelo, and Sintra via the CREL and IC19.
Related guides
CascaisLisbonschools & educationSt. Julian’s School (Carcavelos)St. Dominic’s International School (São Domingos de Rana)King’s College School Cascais (Quinta da Beloura)International Sharing School (ISS) (Taguspark, Oeiras)
Shortlisting schools?
Our licensed partner helps relocating families find homes within the right school catchment across the Lisbon coast, Sintra and Porto.
Find homes near Oeiras International School →