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The Top IB Schools in the UK

This table is compiled based on the average IB score achieved by all students taking the exam in May 2025. The table is provisional and will be finalised following further submissions and remarks in September.

2025 Results

# Avg. Points Name Day/Board Boy/Girl Day £ Board £ Cohort Size
1 42.0 King's College School - Wimbledon Day Boys (Co-ed 6th form) 34,212   52
2 41.7 Godolphin & Latymer School Day Girls 34,622   26
3 40.1 Ardingly College Both Co-ed 34,380 52,641 36
4 39.8 Bromsgrove School Both Co-ed 24,300 54,342 53
5 39.3 The Abbey School - Reading Day Girls 27,519   21
6 39.1 Wellington College Both Co-ed 45,750 62,250 123
= 39.1 Sevenoaks School Both Co-ed 41,514 64,257 245
8 38.9 Whitgift School Both Boys 30,240 59,310 28
= 38.9 Cheltenham Ladies' College Both Girls 43,020 66,870 27
10 38.2 King Edward's School - Birmingham Day Boys 21,990   110
11 38.0 Brentwood School Both Co-ed 29,112 56,358
12 37.5 Fettes College Both Co-ed 45,450 54,000 38
13 37.2 Haileybury Both Co-ed 41,100 56,796 63
= 37.2 Charterhouse School Both Co-ed 46,773 60,048 28
15 37.0 Marymount International School London Both Girls 37,140 62,880 34
16 36.0 Rugby School Both Co-ed 37,350 58,920 26
17 35.7 St Leonards School Both Co-ed 22,770 54,420 77
= 35.7 Rossall School Both Co-ed 22,356 57,078 31
19 35.4 Southbank International School - Westminster Day Co-ed 46,338   75
20 35.3 Bradfield College Both Co-ed 46,536 58,170 56
21 35.1 St Clare's, Oxford Both Co-ed     120
22 35.0 ACS Hillingdon International School Day Co-ed 34,620  
23 34.9 Halcyon London International School Day Co-ed 40,896   25
24 34.3 TASIS England Both Co-ed 35,740 66,970 47
25 34.0 Oakham School Both Co-ed 32,904 55,710 51
= 34.0 Felsted School Both Co-ed 36,648 56,106
27 33.2 Stonyhurst College Both Co-ed 28,044 53,235 29
28 33.0 Taunton School Both Co-ed 27,960 52,530 29
= 33.0 ISA - International School Aberdeen Day Co-ed 19,956   23
= 33.0 International School of London, London Day Co-ed 38,120   33
31 31.5 King William's College Both Co-ed 30,000 45,000 36
32 30.2 Warminster School Both Co-ed 29,406 52,926 24

Most IB schools also offer A-levels as an alternative, in which case the IB cohort may be small. When viewing the league table it is important to bear in mind that the highest-performing schools are academically selective and generally oversubscribed.

Please contact us for advice about choosing and applying to an IB school. Call us on +44 303 003 2259 or click here to arrange a free consultation.