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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 42.7 North London Collegiate School Day Girls 25,542   16
2 42.0 King's College School - Wimbledon Day Boys (Co-ed 6th form) 28,080   52
3 41.6 Godolphin & Latymer School Day Girls 28,742   26
4 40.1 Royal High School Bath Both Girls 17,658 40,374
5 39.9 Ardingly College Both Co-ed 30,318 46,422 36
6 39.8 Bromsgrove School Both Co-ed 20,775 46,470
7 39.3 The Abbey School - Reading Day Girls 22,725   21
8 39.1 Sevenoaks School Both Co-ed 34,896 53,550 245
9 38.6 Cheltenham Ladies' College Both Girls 35,700 54,000 27
10 38.5 Whitgift School Both Boys 26,055 51,120 28
11 38.0 Fettes College Both Co-ed 39,450 46,980 38
= 38.0 King Edward's School - Birmingham Day Boys 18,324  
13 37.3 Kent College Canterbury Both Co-ed 23,808 44,076 11
= 37.3 Brentwood School Both Co-ed 24,411 46,835
15 37.2 Haileybury Both Co-ed 34,620 47,835 63
= 37.2 Gresham's School Both Co-ed 30,570 43,800 21
17 37.0 Charterhouse School Both Co-ed 40,017 50,148 27
18 36.7 Marymount International School London Both Girls 31,320 53,010
19 36.0 Rugby School Both Co-ed 31,200 49,200 26
= 36.0 Leighton Park School Both Co-ed 29,910 48,105 11
= 36.0 Rossall School Both Co-ed 17,760 45,330
= 36.0 Bedford Girls' School Day Girls 17,133  
23 35.7 Southbank International School - Westminster Day Co-ed 39,195  
24 35.3 Bradfield College Both Co-ed 39,096 48,870 56
25 35.1 St Clare's, Oxford Both Co-ed 23,592 49,310 120
26 35.0 ACS Hillingdon International School Day Co-ed 30,170  
27 34.9 Halcyon London International School Day Co-ed 34,080   25
28 34.0 Felsted School Both Co-ed 30,540 46,755
= 34.0 Bryanston School Both Co-ed 32,760 49,167 16
30 33.9 Oakham School Both Co-ed 27,660 46,545 50
31 33.6 The Worthgate School Both Co-ed 17,490 48,480 11
32 33.0 Taunton School Both Co-ed 24,735 46,485 29

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.