The reasons why studying at SEK makes all the difference.

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SEK-El Castillo

50th anniversary of the first Spanish school to join the IB.

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SEK International School El Castillo among the top schools in Spain according to different rankings

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Academic exchanges abroad

Discover a unique experience:

Language, culture and living together

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English Language School

Admissions Procedure

All information about of admissions procedure to request a place at SEK-El Castillo for different programmes.

English Language School

International Boarding

Students from 15 nationalities live together in an international atmosphere, with academic enrichment, high-performance athlete and academic excellence programmes.

English Language School

About
SEK-El Castillo

Learn about our international IB ® World boarding school which is also NEASC accredited to offer the American high school diploma track.

English Language School

IB® Programmes

Pioneers in teaching the 3 International Baccalaureate programmes, integrated in the school curriculum. From 3 to 18 years of age.

SEK – El Castillo, International School, Madrid

SEK-El Castillo is one of the 11 schools making up SEK International Schools. The education offered covers all age groups, from 4 months to 18 years of age.

Our school offers International Baccalaureate integrated with the national curriculum. We aim to offer education based on the values and skills needed to succeed in the 21st century at one of the best private school environments in Spain.

EARLY CHILDHOOD- PRIMARY EDUCATION – SECONDARY EDUCATION – BACCALAUREATE – DIPLOMA PROGRAMME (DP)

Discover SEK-El Castillo:

Our campus spans 40,000 m²
Bilingual international school: English-Spanish
Boarding facilities
With Boarding Residence for boys and girls.
New England Association of Schools and Colleges (NEASC) accredited school
Certified member of the Council of International Schools (CIS)
UCJC Sports Club, elite level sports facilities for SEK pupils and families

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Quality assurance

Our main priority at SEK International Schools is to provide a quality education to our students through the different educational experiences we offer them. This entails a constant review of our learning and teaching processes, our curricula and our assessment processes.

In order to comply with these high quality standards we regularly manage and review our quality assurance providers and submit our schools to external evaluations in order to ensure compliance with the standards required by the most demanding international and national educational authorities.