Schools & Learning
International Schools in Cascais and Sintra
Our top picks in Cascais and Sintra for a global education.
8 min read · Updated 2026-04-30
TASIS Portugal
American international school in Sintra, part of the global TASIS network. Beautiful campus with strong arts and sports programs.
- Fees ~€18,000–€24,000/year
- American Diploma + AP courses
- Boarding option for older students
St. Dominic's International School
Catholic IB World School in São Domingos de Rana (Cascais). PYP, MYP, and Diploma. Diverse community with strong pastoral care.
- Fees ~€14,000–€19,000/year
- Full IB continuum (3–18)
- Catholic ethos but ecumenical student body
PaRK International School
British curriculum with multiple campuses across Cascais and Lisbon. Smaller, family feel — a good entry point if larger schools have long waitlists.
- Fees ~€10,000–€15,000/year
- Multiple sites — easier logistics for siblings of different ages
Prime School
British curriculum in Cascais, focused on personalised learning and small class sizes. Newer school, growing reputation.
- Fees ~€11,000–€15,000/year
- Class sizes capped at ~16
- Strong remedial/SEN support
Carlucci American International School of Lisbon (CAISL)
Technically in Sintra (Linhó), serves both Cascais and Lisbon families. American + IB. Established US university pipeline.
- Fees ~€18,000–€22,000/year
- Bus service across Cascais and Lisbon
Honourable mentions
Round out the shortlist:
- King's College School — British, Cascais
- Salesian College — Portuguese-bilingual
- Aprendizes Internacional — Reggio-inspired primary
- EIPG — French + bilingual primary