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Carlucci American International School of Lisbon (CAISL) (Linhó, Sintra)

The only US State Department-assisted school in Portugal, offering a world-class American college-prep curriculum leading to the IB Diploma.

Verified · October 2026
Early Childhood (EC3 – Kindergarten)€9,800 – €12,400 / year
Elementary School (Grades 1–5)€14,800 – €17,600 / year
Middle School (Grades 6–8)€18,200 – €20,900 / year
High School (Grades 9–12 / IB)€23,400 – €26,900 / year
Capital Fee€1,750 one-off

Curriculum & Accreditation

Accredited by the Middle States Association (MSA) and the IBO. Graduates receive both the American High School Diploma and the IB Diploma.

Catchment, Commute & Relocation Reality

Situated in Linhó near Sintra’s foothills. Extensive bus routes connect to Quinta da Beloura, Estoril, Cascais, and downtown Lisbon.

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