Established in 2017, Casvi International American School is a private, international, co-ed school, located in Tres Cantos, and based on the American school system whose mission is to educate and create citizens of the world.

The International School SEK-El Castillo was established in 1972, making real a vanguard educational and architectural project. From its foundation up to date, it is a world renowned model for Spanish and foreign experts regarding the creation of educational spaces. It merits a special mention from UNESCO for its facilities and academic environmental design.

AAS promotes superior academic achievement, mastery of skills and content, and fosters moral citizenship.
Aquinas American School offers the U.S. school curriculum as well as the International BaccalaureateDiploma Program, preparing students to further their education either in Spain or abroad.

The main school site caters for over 1580 pupils between the ages of 20 months and 18 years (Pre-Pre-Nursery to Year 13). It is located in an attractive 12 acre site in the countryside between the city and the Guadarrama Mountains, but remains well connected to the city centre by bus and rail.
ACCREDITATION
King’s College is the only British School in Madrid currently inspected by the Independent Schools Inspectorate (ISI) of England, a statutory body approved by the British Government for the inspection of independent schools. Standards are rigorous and inspection reports are regularly published. King’s College is also an accredited and founding member of COBIS (The Council of British International Schools), which is a constituent member of the Independent Schools Council of England. As a member of COBIS, King's College is now subject to full UK inspections carried out by the Independent Schools Inspectorate (ISI) regulated by the Department for Education (DfE). By virtue of its full British Inspection and Accreditation, the Spanish Ministry of Education has authorised King’s College as a British School in Spain.
The school is an official examination centre for the University of Cambridge International General Certificate of Secondary Education (I.G.C.S.E.) examinations, and for the Edexcel/AQA/Cambridge General Certificate of Education Advanced Level (G.C.E. “A” Level) examinations. It is also an examination centre for the Associated Board of Royal Schools of Music.
King’s College is also a member of:
HMC (Headmasters’ and Headmistresses’ Conference)
NABSS (National Association of British Schools in Spain)
BSA (Boarding Schools Association)
CICAE (Asociación de Colegios Privados e Independientes - Circulo de Calidad Educativa)

Eurocolegio Casvi is a co-ed Private International School equipped with all the necessary resources required for QUALITY private schooling. Since its inception, the school has based its belief that education is the foundation for the transformation that leads to a better quality of life.