Welcome to ACS Hillingdon International School

Situated 14 miles from central London on a historic 11-acre estate, ACS Hillingdon enrols approx. 600 students aged between 4 and 18. With its extensive busing service, including door-to-door and express shuttles into Central London, ACS Hillingdon offers the International Baccalaureate Middle Years and Diploma programmes, alongside an American curriculum that includes AP courses. Head of School welcome

What's happening at ACS

Under A Different Sky

Under A Different Sky

ACS students join local musicians for performance of Michael Omer’s new composition. Students from ACS Cobham and ACS Hillingdon performed Michael Omer’s ...

Welcome to our school


Staff, students and parents talk about what they think makes the school special.