Global Top 20 IB Schools 2025

By Know Well

The Global Top IB Schools 2025 ranking is compiled based on the average IB scores achieved by all students in the May 2025 exam session. Though provisional, these results, pending final verification in September, already offer an authoritative snapshot of where global academic excellence currently resides. From Moscow to Hong Kong, London to Singapore, this year’s Top 20 reflects not only the growing internationalization of the IB system but also the rising influence of schools that balance rigorous academics with holistic development.

Top 20 Global IB Schools 2025

1. Letovo School – Russian Federation (43.2)

Moscow’s Letovo School leads the world again, redefining what a modern elite school can be. Its bilingual curriculum and personalised learning model produce scholars who excel in both analytical reasoning and creativity, a rare balance in today’s high-pressure academic environment.

2. St Paul’s Co-educational College – Hong Kong (42.4)

A model of East-meets-West education, St Paul’s integrates rigorous scholarship with values-based learning. Its consistent top-tier IB results affirm Hong Kong’s reputation as an academic powerhouse bridging global standards and local excellence.

3. K. International School Tokyo – Japan (42.0)

With inquiry-led learning and a strong STEM orientation, KIST exemplifies Japan’s new internationalism. Its global alumni network and top university placements reflect a mature IB culture rooted in curiosity and critical thinking.

4. King’s College School, Wimbledon – United Kingdom (42.0) 

A British institution synonymous with intellectual rigor, King’s combines classical education with a future-oriented IB pedagogy. Small class sizes and elite mentoring create graduates prepared for both Oxbridge and the world stage.

5. Godolphin & Latymer School – United Kingdom (41.7)

Empowering young women through academic depth and creative independence, Godolphin & Latymer demonstrates how single-gender education can deliver globally competitive outcomes.

6. Amman Academy – Jordan (41.6) 

Jordan’s flagship international school showcases the Middle East’s expanding academic influence. Its bilingual and inquiry-based curriculum equips students to excel in global higher education environments.

7. Diocesan Boys’ School – Hong Kong (41.3)

DBS combines a century-old legacy with a modern IB vision. Its focus on discipline, moral education, and leadership shapes future-ready global citizens.

8. German Swiss International School – Hong Kong (41.2)

GSIS continues to define multicultural excellence. Dual language streams, rigorous academic training, and an international ethos fuel its consistent top performance.

9. Ardingly College – United Kingdom (40.1)

This progressive boarding school merges pastoral care with intellectual ambition. Its steady climb into the global top ten reflects the growing appeal of holistic British education.

10. G.T. (Ellen Yeung) College – Hong Kong (40.0)

A standout among local independents, G.T. College delivers exceptional IB outcomes through innovative pedagogy and technology-integrated classrooms.

11. Bromsgrove School – United Kingdom (39.8) 

With a heritage dating back to 1553, Bromsgrove combines tradition with global outlook. Its IB graduates consistently secure placements in leading international universities.

12. Dhirubhai Ambani International School – India (39.7) 

Mumbai’s premier private school continues to raise the benchmark for South Asia. A powerhouse of innovation and excellence, it reflects India’s growing investment in global-standard education.

13. St Stephen’s College – Hong Kong (39.7)

Blending British traditions with Asian sensibilities, St Stephen’s focuses on character formation and academic precision—key drivers of its IB success.

14. Tanglin Trust School – Singapore (39.6)

Singapore’s oldest British international school sustains high performance through rigorous standards and student-centered learning. Tanglin remains a model for balanced, holistic education in Asia.

15. The Abbey School – Reading, United Kingdom (39.3)

A leading all-girls day school, The Abbey’s IB program promotes confidence and curiosity, empowering students to challenge convention and think globally.

16. Po Leung Kuk Ngan Po Ling College – Hong Kong (39.1)

Known for its innovative STEAM curriculum, Ngan Po Ling integrates research-based learning with strong academic mentorship, producing consistently high achievers.

17. Wellington College – United Kingdom (39.1)

With over a century of educational excellence, Wellington’s IB programme champions creativity and leadership, ensuring relevance in the modern academic world.

18. HKCCCU Logos Academy – Hong Kong (39.1)

A rising star in Hong Kong’s educational scene, Logos Academy champions bilingualism and inquiry-based learning, cultivating adaptable, globally minded students.

19. Sevenoaks School – United Kingdom (39.1) 

As one of the earliest IB adopters, Sevenoaks remains a beacon of consistency and innovation. Its 245-strong IB cohort, the largest in the UK, proves that scale need not compromise quality.

20. European Azerbaijan School – Azerbaijan (39.0) 

A first-time entrant in the Top 20, EAS represents the IB’s expanding frontiers. Its results underscore the growing strength of international education in emerging regions. Joint 20th position, ACS International Singapore – Singapore (39.0) combines Methodist values with global learning standards, standing out for academic excellence and community engagement.

The 2025 results reveal a multi-polar education world: Asia now dominates with eight schools in the Top 20, while the UK remains the most represented nation with seven. Beyond regional pride, the data reflects a broader trend—the IB’s success now depends less on heritage and more on pedagogical adaptability, cultural fluency, and student-centered innovation. As the IB Diploma continues to shape global academic standards, these 20 institutions exemplify what world-class education looks like in 2025: diverse, data-driven, and distinctly future-facing.

Source: ib-schools.com, “Global Top IB Schools”.
https://ib-schools.com/league-tables/global-top-ib-schools?.com