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IB School Rankings All years — Top IB Schools by Diploma Score

Compare IB Diploma results. Sources are linked.

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196 schools with matching resultsAnnual results · All years

Each year counts equally. Missing years are skipped.

School results: IB Diploma, All years, annual
Rank	School	Average score	Years	Evidence
26	Tianjin International SchoolTianjin, China	37/ 45	12025	2025 · 37 / 45 Source
32	Yew Chung International School of ChongqingChina	36.943/ 45	32023–2025	2025 · 35.8 / 45 Source 2024 · 36.67 / 45 Source 2023 · 38.36 / 45 Source
33	AIAmerican International School Hong KongHong Kong	36.933/ 45	32024–2026	2026 · 40 / 45 Source 2025 · 34.3 / 45 Source 2024 · 36.5 / 45 Source
33	UWC South East AsiaSingapore	36.933/ 45	32022–2026	2026 · 36.3 / 45 Source 2025 · 36.3 / 45 Source 2022 · 38.2 / 45 Source
35	Dulwich College SeoulSouth Korea	36.75/ 45	62021–2026	2026 · 36.1 / 45 Source 2025 · 36.5 / 45 Source 2024 · 36.6 / 45 Source 2023 · 33.7 / 45 Source 2022 · 38 / 45 Source 2021 · 39.6 / 45 Source
35	International School of TianjinTianjin, China	36.75/ 45	32023–2026	2026 · 37 / 45 Source 2025 · 36 / 45 Source 2023 · 37.25 / 45 Source
35	Stamford American International SchoolSingapore	36.75/ 45	42009–2026	2026 · 44 / 45 Source 2025 · 34.4 / 45 Source 2023 · 34.2 / 45 Source 2009 · 34.4 / 45 Source
38	Concordia International School ShanghaiShanghai, China	36.7/ 45	12025	2025 · 36.7 / 45 Source
38	Wellington College International HangzhouChina	36.7/ 45	12025	2025 · 36.7 / 45 Source
40	Nord Anglia International School Hong KongHong Kong	36.6/ 45	12026	2026 · 36.6 / 45 Source
41	Dover Court International School SingaporeSingapore	36.575/ 45	42022–2026	2026 · 35.8 / 45 Source 2025 · 36.5 / 45 Source 2024 · 35 / 45 Source 2022 · 39 / 45 Source
42	St Catherine's British SchoolAthens, Greece	36.567/ 45	62021–2026	2026 · 37 / 45 Source 2025 · 37.3 / 45 Source 2024 · 35.5 / 45 Source 2023 · 34.6 / 45 Source 2022 · 36.9 / 45 Source 2021 · 38.1 / 45 Source
43	Dulwich College SuzhouChina	36.525/ 45	22025–2026	2026 · 36.13 / 45 Source 2025 · 36.92 / 45 Source
44	Campion SchoolPallini, Greece	36.5/ 45	22024–2026	2026 · 37 / 45 Source 2024 · 36 / 45 Source
44	Shen Wai International SchoolShenzhen, China	36.5/ 45	22023–2024	2024 · 35.5 / 45 Source 2023 · 37.5 / 45 Source
46	Aiglon CollegeChesieres, Switzerland	36.405/ 45	22025–2026	2026 · 36.5 / 45 Source 2025 · 36.31 / 45 Source
47	NIST International SchoolBangkok, Thailand	36.35/ 45	42020–2026	2026 · 37 / 45 Source 2025 · 37 / 45 Source 2024 · 36 / 45 Source 2020 · 35.4 / 45 Source
48	Saigon South International SchoolHo Chi Minh City, Vietnam	36.333/ 45	32013–2026	2026 · 36 / 45 Source 2025 · 37 / 45 Source 2013 · 36 / 45 Source
48	The British School ManilaPhilippines	36.333/ 45	32024–2026	2026 · 36 / 45 Source 2025 · 37 / 45 Source 2024 · 36 / 45 Source
50	The British School of Beijing - Sanlitun and ShunyiBeijing, China	36.27/ 45	12026	2026 · 36.27 / 45 Source
51	Concordian International SchoolThailand	36.267/ 45	32024–2026	2026 · 37 / 45 Source 2025 · 35.8 / 45 Source 2024 · 36 / 45 Source
52	Bangkok Patana SchoolThailand	36.25/ 45	42023–2026	2026 · 36 / 45 Source 2025 · 36 / 45 Source 2024 · 36 / 45 Source 2023 · 37 / 45 Source
53	St. Johnsbury Academy JejuSouth Korea	36.2/ 45	12024	2024 · 36.2 / 45 Source
53	The Winstedt SchoolSingapore	36.2/ 45	12021	2021 · 36.2 / 45 Source
55	International School of LausanneLausanne, Switzerland	36.067/ 45	32000–2026	2026 · 36.2 / 45 Source 2025 · 35.7 / 45 Source 2000 · 36.3 / 45 Source
56	ACS InternationalSingapore	36.01/ 45	42018–2025	2025 · 35 / 45 Source 2022 · 38.04 / 45 Source 2020 · 35.7 / 45 Source 2018 · 35.3 / 45 Source
57	Daystar AcademyBeijing, China	36/ 45	12024	2024 · 36 / 45 Source
57	International School of BelgiumAntwerp, Belgium	36/ 45	12026	2026 · 36 / 45 Source
57	St George's British International School, RomeRome, Italy	36/ 45	12026	2026 · 36 / 45 Source
57	Tashkent International SchoolTashkent, Uzbekistan	36/ 45	12026	2026 · 36 / 45 Source

Results link to their sources. Missing scores do not count as zero. How it works