SEK International School El Castillo is a IB Primary Years Programme / IB Middle Years Programme / IB Diploma Programme / IB school in Madrid, Spain. Founded in 1972. It serves 1,150 students for students aged 0–18.
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About
SEK International School El Castillo is a private, coeducational IB World School located in Madrid, Spain, authorized by the International Baccalaureate since 1977. The school offers all three IB programmes—Primary Years Programme (authorized 2012), Middle Years Programme (authorized 1996), and Diploma Programme (authorized 1977)—with instruction in English and Spanish. The school provides mixed boarding facilities at the secondary level and day education at the primary level.
School data verified by NanaSays. Last updated: April 2026.
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Full IB continuum with over 40 years of IB authorisation; High Artistic Performance School (Music and Dance); SEK International Sports Academy for elite student-athletes; bilingual English-Spanish instruction; SEK Future Learning Model emphasising design thinking and educational technology; UNICEF Reference Center recognition; Duke of Edinburgh International Award programme.
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private