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Welcome to ACS International Schools. Four schools. One ethos. One world.

Discover ACS International Schools
Kids in the playground

A warm and welcoming community that encourages all students to develop into well-rounded, confident individuals.

Founded in 1967 to serve the needs of global and local families, ACS International Schools educate over 3,700 students, aged 2 to 18, day and boarding, from more than 100 countries. Our schools – 3 in Greater London and 1 in Doha, Qatar – are all non-sectarian and co-educational.

Our world-renowned curriculum includes all International Baccalaureate (IB) Programmes, and top US programmes including Advanced Placement (AP) courses and the AP Capstone & International Diplomas.

Academic success enables ACS graduates to attend the college of their choice, and many of the world's finest universities. We are proud of our international community, and its commitment to inspire all to make a difference.

Andrew Vaughan, Head of Art at ACS Egham, helping an art student with their art piece
Delivering individual success through all 4 IB programmes, a US-based curriculum, rigorous AP courses, and the AP Capstone and International Diplomas. Co-ed, ages 2 to 18, day and boarding.
ACS International Schools
Birdseye view of group of students sitting in a circle and smiling up at the camera
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Around our schools in 80 seconds

Student smiling during drama performance
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ACS - Investing in Our Future

Exterior shot of the Hillingdon Mansion House
As an entrepreneur, you definitely need people skills, you are often the boss and it can be your job to resolve conflict, so having an understanding of people from different backgrounds certainly helps – and that’s definitely something you get from ACS being an international school – inclusivity and diversity flows through its very DNA.
Lesley Hampton, ACS Hillingdon Alumna, Class of 2012