SEK International School El Castillo logo

SEK International School El Castillo

Part of SEK Education Group, Secular, Founded 1972

Updated July 2026

0–18Ages
Co-edGender
Day & BoardingType
For-profitOwnership

Languages

English flagEnglishFrench flagFrenchGerman flagGermanMandarin flagMandarin

SEK-El Castillo is a private, non-denominational, and independent international IB World School located near Madrid, serving students from 4 months to 18 years of age. It is accredited by NEASC to offer the American High School Diploma track alongside its International Baccalaureate continuum.

Teaching approach

SEK-El Castillo is committed to fostering the intellectual, emotional, and personal development of its students, aiming to create courageous individuals with an international perspective. The school employs the "SEK Future Learning Model," which prioritizes active, flexible, and collaborative learning, critical thinking, and entrepreneurship. It values diversity and social innovation, viewing education as a holistic experience that prepares students for the challenges of the 21st century.

Programmes

The school offers the full International Baccalaureate (IB) continuum, including the Primary Years Programme (PYP), Middle Years Programme (MYP), and Diploma Programme (DP). It provides a bilingual Spanish and English education, with additional instruction in French, German, and Chinese. Specialized pathways include an American High School Diploma track, a music baccalaureate programme, and high-performance sports training.

Student support

EAL support
Unknown
Learning support
Unknown

Learning support

The school emphasizes a personalized learning approach through its "Intelligent Classroom" model, which focuses on developing student agency and critical thinking. Support is provided through the "SEK Responde" virtual academic assistance platform for secondary and baccalaureate students, and the school maintains a collaborative environment involving teachers, families, and students to ensure individual development.

Frequently asked questions(6)
What curriculum does SEK International School El Castillo offer?
SEK International School El Castillo offers IB PYP, IB MYP and IB Diploma.
What ages does SEK International School El Castillo teach?
SEK International School El Castillo enrolls students aged 0 to 18.
Is SEK International School El Castillo a day or boarding school?
SEK International School El Castillo is a day and boarding school.
What accreditations does SEK International School El Castillo hold?
SEK International School El Castillo holds accreditations including IB, NEASC, CIS and UNESCO ASPnet.
Is SEK International School El Castillo co-educational?
SEK International School El Castillo is a co-ed school.
Where is SEK International School El Castillo located?
SEK International School El Castillo is an international school in Latina, Spain.

Tuition & fees

No published fee schedule was found for this school.

Admissions

The admissions process is managed through the MySEK platform and involves an inquiry, an optional school visit, and an interview combined with an entrance test. Applicants must submit documentation including identity documents, birth certificates, and previous academic reports. The school’s Admissions Committee reviews each application to assess the individual needs of the student before issuing a final decision.

Calendar

The school operates on a Monday to Friday schedule from 09:00 to 17:30. Extended hours are available for students from Nursery School through to the second year of Primary, running from 08:30 to 09:30 and 17:30 to 18:30.

Facilities

Swimming poolSports fieldTennis courtsGymnasiumPlaygroundLibraryDining hallScience labsArt roomMusic roomTheatre / auditoriumBoarding

About the campus

Set on a 40,000m² campus, the school features separate buildings for each educational stage connected by walkways, alongside specialized spaces like physics, chemistry, and biology laboratories, art and painting studios, music rooms, and a maker space. Sports facilities include a 1,000m² sports arena, a heated swimming pool, beach volleyball courts, and various outdoor pitches. The campus also houses boarding facilities for boys and girls and is equipped with advanced learning technology, including interactive whiteboards, netbooks, and BYOD (Bring Your Own Device) infrastructure.

Co-curriculars

The school offers a wide range of activities, including an elite International Sports Academy for high-performance athletes and participation in the Duke of Edinburgh’s International Award. Students can engage in music, dance, skating, taekwondo, and theatre, with access to extensive sports facilities such as a heated swimming pool, tennis courts, and football pitches. Additionally, the school provides summer experiences and opportunities for international exchange through the SEK network.

  • Elvira Chiquero
    Elvira ChiqueroHead of School

    Elvira Chiquero serves as the Head of School at SEK-El Castillo. She emphasizes the school's commitment to educational excellence, the International Baccalaureate programmes, and the development of students' skills to face future challenges.