Top International Schools in United Kingdom

Overview: IB Diploma, AP · 2–18 · £10K–£40K

ACS Cobham International School is a leading private international school set on a magnificent 128-acre campus in Surrey, England, serving students from over 70 nationalities in nursery through Grade 12. The school offers the IB Continuum (PYP, MYP, DP) and Advanced Placement programmes, delivered entirely in English, with a strong culture of high expectations and learner-centred teaching. With a 2025 IB average of 35/45 against a world average of 30, outstanding pastoral care, and a vibrant co-curricular programme, ACS Cobham combines genuine academic rigour with an inclusive, multicultural community. Students benefit from world-class facilities including a 25m indoor pool, a 509-seat Performing Arts Centre, and purpose-built STEM innovation spaces, all within easy reach of London.

Overview: IGCSE, A-Level · 7–18 · £6.3K–£22.5K

Dulwich College is a historic independent day-and-boarding boys' school (ages 2–19) in South London, founded in 1619 by actor Edward Alleyn. It offers rigorous British education through IGCSE and A-Level programmes alongside an exceptionally rich co-curricular life with over 130 clubs and societies. Around 1,860 pupils benefit from a 75-acre green campus featuring modern science laboratories, a purpose-built theatre, world-class arts facilities, and extensive sports grounds. The school emphasises character alongside scholarship, and the majority of graduates proceed to top universities worldwide including Oxford, Cambridge, and Ivy League institutions.

Overview: IGCSE, A-Level · 13–18 · £49.4K–£69.3K

Westminster School is one of England's most prestigious independent day-and-boarding schools, occupying a historic campus in the heart of Westminster, London, adjacent to Westminster Abbey. Founded in the 12th century and re-established under a royal charter granted by Elizabeth I in 1560, it offers A-Level and GCSE/IGCSE curricula to approximately 773 pupils aged 13–18. The school is renowned for exceptional academic outcomes, with 58% of A-Level candidates achieving A* grades and 72 pupils gaining places at Oxford or Cambridge in 2025 alone. Its ethos centres on open intellectual dialogue, critical thinking, and the holistic development of well-rounded, compassionate individuals. With a vibrant House system, outstanding arts and sports facilities, and generous bursary provision, Westminster prepares students for leading universities worldwide.

Overview: British National Curriculum, IGCSE · 10–18 · £29.7K–£37.8K

Rikkyo School in England (立教英国学院) is a co-educational, full-boarding Japanese international school in rural West Sussex, England, established in 1972 under the Anglican Rikkyo (St. Paul's) school network. It serves approximately 190 students aged 10–18 across Primary, Middle, and High School divisions, following the Japanese MEXT national curriculum taught primarily in Japanese with extensive English instruction. The school's defining character is its fusion of Christian boarding ethos with Japanese academic tradition, offering a unique environment where students grow bilingually and biculturally in the English countryside. University pathways include guaranteed Rikkyo University recommendation for qualifying graduates, as well as UK university foundation programmes in partnership with UCL and the University of Surrey.

Overview: IB PYP, IB MYP · 4–18 · £15.2K–£36K

ACS Hillingdon is a leading London international school offering IB and Advanced Placement programmes to students aged 3–18. Set in a historic mansion campus in Uxbridge, Middlesex, it combines rigorous academics with exceptional sports, performing arts, and co-curricular facilities. With a diverse community of approximately 546 students representing dozens of nationalities, the school emphasises 'learning how to learn' through an inquiry-based, student-centred approach. Rolling admissions makes it accessible year-round for internationally mobile families and local residents alike. Graduates consistently earn places at top universities worldwide, including Imperial College, UCL, Cambridge, NYU, and Cornell.

Overview: IB Diploma, AP · 4–18 · £15.5K–£37.4K

ACS International School Egham is a co-educational, non-selective day school in Surrey offering the full International Baccalaureate continuum (PYP, MYP, DP) to students aged 3–18. Situated on a leafy campus near London, it serves an internationally diverse community of approximately 525 students from over 50 nationalities. The school is distinguished as one of the very few schools in the UK authorised for all four IB programmes, combining academic rigour with strong EAL and SEND support. Its charitable mission focuses on nurturing caring, confident, and globally minded graduates ready to make a difference in the world.