Top IB Schools in the UK: A Comprehensive 2025 Guide
What is an IB School?
The International Baccalaureate (IB) Diploma Programme is renowned worldwide for its rigorous academic structure and emphasis on developing global citizens. It is offered by schools around the world that aim to provide a challenging, well-rounded education. In the UK, a variety of schools offer the IB, including private schools and some top-performing state schools. The IB's challenging, broad nature makes it a desirable qualification for university admissions, especially to top universities, and the entrance process at these schools is highly selective.
Below, we highlight some of the best IB schools in the UK to give you a helpful overview. Do also check out our blog on whether to go down the IB or A-Level route here!
1. Sevenoaks School
Founded in 1432, Sevenoaks School is one of the oldest and most prestigious co-educational boarding and day schools in the UK. The school introduced the IB Diploma Programme in 1978 and has been a global leader in IB education ever since, making it one of the best IB boarding schools in the UK. Known for its forward-thinking ethos, Sevenoaks nurtures independent, critical thinkers ready to engage with the world. The school boasts state-of-the-art facilities, including The Space, a cutting-edge performing arts centre, and a strong emphasis on service, learning and creativity.
If you’re interested in applying to Sevenoaks School, we have a great guide to general admissions as well as one devoted to 16+.
Type: Co-educational
Number of students: ~1,100
IB average score (2024): 40+ points
Boarding/day options: Both
Location: Sevenoaks, Kent
Entry Points: 11+, 16+
2. King’s College School, Wimbledon
Established in 1829, King’s College School, Wimbledon offers the IB alongside A-levels. Its academic results consistently rank among the best in the UK making it one of the top IB schools in the UK. The school’s ethos emphasises academic excellence, creativity, and kindness, fostering a supportive and stimulating environment. Students benefit from extensive extracurricular activities, including music, sports, and drama, with a strong record of university placements worldwide.
If you’re looking to apply to King’s College School, you might enjoy our helpful guide to KCS 11+.
Type: Boys, co-ed sixth form
Number of students: ~1,400
IB average score (2024): 40+ points
Boarding/day options: Day only
Location: Wimbledon, London
Entry Points: 11+, 16+
3. United World College (UWC) Atlantic
Located in the stunning Vale of Glamorgan, Wales, UWC Atlantic is part of the United World College network, dedicated to promoting peace and sustainability through education. Founded in 1962, the school is housed in a 12th-century castle, offering a truly unique learning environment! With students from over 90 countries, UWC Atlantic provides a rich multicultural experience, emphasising service, leadership, and environmental stewardship alongside academic rigor, resulting in a challenging and transformational educational experience.
Type: Co-educational
Number of students: ~350
IB average score (2024): ~36 points
Boarding/day options: Boarding only
Location: Vale of Glamorgan, Wales
Entry Points: 16+
4. St Clare’s, Oxford
St Clare’s, Oxford, has been an IB World School since 1977 and exclusively offers the IB Diploma Programme for its sixth form students. The school’s mission is to advance international education, and its small size fosters a close-knit community. Located in the academic heart of Oxford, St Clare’s offers students access to an intellectually stimulating environment and a wealth of cultural opportunities.
Type: Co-educational
Number of students: ~270
IB average score (2024): 36+ points
Boarding/day options: Both
Location: Oxford
Entry Points: 16+
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Looking to secure a place at a top IB school in the UK?
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5. Whitgift School
Founded in 1596, Whitgift School is a historic boys' school with a modern, inclusive outlook, offering the IB Diploma Programme alongside A-levels. The school’s ethos emphasises excellence, compassion, and diversity, with a robust focus on co-curricular activities. Whitgift’s facilities include a music school, a sports centre, and a vibrant arts program, allowing students to pursue their passions while excelling academically.
Type: Single-sex (boys)
Number of students: ~1,400
IB average score (2024): 39+ points
Boarding/day options: Both
Location: South Croydon, London
Entry Points: 11+, 13+ and 16+
6. The Godolphin and Latymer School
Located in West London, The Godolphin and Latymer School is a top independent day school for girls. With a strong reputation for academic excellence, it is one of the top IB schools in London (UK). The school provides the IB Diploma Programme alongside A-levels, consistently achieving outstanding results. Its ethos emphasises intellectual curiosity, creativity, and resilience, preparing students for the challenges of the future. The school also offers extensive enrichment opportunities, from debating and STEM clubs to drama and art.
If you’re looking to secure a place at Godolphin and Latymer for your child, take a look at our comprehensive guide to G&L 11+ admissions.
Type: Single-sex (girls)
Number of students: ~800
IB average score (2024): 40+ points
Boarding/day options: Day only
Location: Hammersmith, London
Entry Points: 11+, 16+,
7. TASIS The American School in England
TASIS England offers the IB Diploma Programme as part of its diverse curriculum, which blends American and international educational traditions. Founded in 1976, TASIS fosters a global perspective, with students from over 50 countries. The school’s leafy Surrey campus provides a beautiful setting for learning, and its ethos emphasises creativity, critical thinking, and global citizenship.
Type: Co-educational
Number of students: ~600
IB average score (2024): ~34 points
Boarding/day options: Both
Location: Thorpe, Surrey
Entry Points: 16+
8. Dartford Grammar School
As one of the UK’s top state schools, Dartford Grammar School offers the IB Diploma Programme to all sixth form students. Established in 1576, the school’s motto, "Fiat Lux" (Let There Be Light), reflects its commitment to academic excellence and personal growth. Dartford Grammar stands out for its inclusive approach, providing access to a world-class education without tuition fees. The school excels in languages, sciences, and the arts.
Type: Single-sex (boys, with co-educational sixth form)
Number of students: ~1,500
IB average score (2024): ~36 points
Boarding/day options: Day only
Location: Dartford, Kent
Entry Points: 11+, 16+
These best IB schools in the UK represent the best of what the UK has to offer for education with an international outlook. These schools offer students an excellent education and the chance to thrive in a global community.
How U2 Tuition Can Support with Entrance to top IB Schools in the UK
At U2 Tuition, we understand the competitive nature of applications to IB schools in the UK. Whether you’re looking at IB boarding schools in the UK or day schools in London, our expert tutors are here to guide you through the entrance process. From personalised advice on preparing for entrance exams and interviews to crafting standout personal statements, we provide tailored support that helps you succeed.
We also offer in-depth knowledge on the academic culture of the best IB schools in the UK, helping you understand what each institution values most in its students. If you’re aiming for one of the top IB schools in London, we can help you prepare to meet the high standards these schools expect.
Get in touch to find out more about how we can support you on your journey to a place at these top IB schools.