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Top Independent IB Schools

Kindly note that we do not currently include BTEC results in our league tables. Please be aware therefore that these tables may not be a fair reflection of a school’s overall academic performance.

Please contact us for further information or for advice on choosing a school.

2025 Results

# Avg. Points Name Day/Board Boy/Girl Day £ inc.VAT Board £ inc.VAT Cohort Size
1 42.2 King's College School - Wimbledon Day Co-ed (Boys Only 7 - 16) 35,820   52
2 41.7 Godolphin & Latymer School Day Girls 36,380   26
3 40.1 Ardingly College Both Co-ed 36,270 57,870 36
4 39.8 Bromsgrove School Both Co-ed 25,398 56,790 53
5 39.4 The Abbey School - Reading Day Girls 27,150   21
= 39.4 Sevenoaks School Both Co-ed 43,383 67,149 245
7 39.1 Wellington College Both Co-ed 47,790 65,070 123
8 38.9 Cheltenham Ladies' College Both Girls 43,380 68,220 27
= 38.9 Whitgift School Both Boys 31,410 61,614 28
10 38.2 King Edward's School - Birmingham Day Boys 23,085   110
11 38.0 Brentwood School Both Co-ed 30,204 58,464 26
12 37.5 Fettes College Both Co-ed 47,700 56,550 38
13 37.2 Charterhouse School Both Co-ed 49,107 63,045 28
= 37.2 Haileybury Both Co-ed 43,035 59,460 63
15 37.0 Marymount International School London Both Girls 39,540 66,990 32
16 36.0 Rugby School Both Co-ed     26
17 35.7 Rossall School Both Co-ed 23,490 59,940 31
= 35.7 St Leonards School Both Co-ed 23,795 57,415 77
19 35.4 Southbank International School - Westminster Day Co-ed 48,099   75
= 35.4 ACS Hillingdon International School Day Co-ed 36,000   28
21 35.3 Bradfield College Both Co-ed 37,200 60,750 56
22 35.1 St Clare's, Oxford Both Co-ed 30,985 66,185 120
23 34.9 Halcyon London International School Day Co-ed 42,912   25
24 34.4 ACS Egham International School Day Co-ed 37,440   65
25 34.3 TASIS England Both Co-ed 37,170 69,650 47
= 34.3 ACS Cobham International School Both Co-ed 39,960 69,060 96
27 34.0 Oakham School Both Co-ed 34,524 58,446 51
= 34.0 Felsted School Both Co-ed 37,674 57,675
29 33.2 Stonyhurst College Both Co-ed 31,159 58,277 29
30 33.0 Taunton School Both Co-ed 29,355 52,530 29
= 33.0 ISA - International School Aberdeen Day Co-ed 21,000   23
= 33.0 International School of London Day Co-ed 39,640   33
= 33.0 Dwight School London Day Co-ed 37,470   22
34 31.5 King William's College Both Co-ed 33,900 48,900 36
35 30.2 Warminster School Both Co-ed 30,582 55,044 24

Please click on a school name for more information

This table lists the Top Independent IB Schools in the UK based on 2023 IB Diploma results. These positions are compiled from the average points achieved by sixth formers taking the Diploma Programme of the IB. The International Baccalaureate Organisation refuses to publish results and we have had to collect these statistics by asking each school individually. We show two league tables - the first for schools with a cohort of IB DP students of 20 or more and the second with cohorts of 10-19 students. Schools entering fewer than 10 candidates are not included. The IB is a relatively new qualification in the UK and therefore some designated IB schools will not yet have any results to publish. Only a handful of schools offer the IB DP exclusively. Most IB schools are also offering A levels as an alternative, in which case the IB cohort is often in the minority. This is especially true of the smaller cohort IB schools.

Click on the name of a school for more details. The table can be reordered by Name, Ranking, Day or Boarding Fees etc by clicking on the arrows at the top of each column.

Notes

  1. We make every effort to obtain results for every independent school, but there are sometimes a few gaps in our data, because the information is not freely available or because a school will not supply it. In most cases this applies to schools that would not appear in the top quartile of the table.
  2. Sometimes grades improve as a result of appeals or remarks and we may update the data periodically, as long it does not distort the results of schools which have not given us their remarks. We encourage all schools to supply corrections or additions by contacting us at info@educationadvisers.co.uk.
  3. Exam results are not the only criteria by which to judge a school. Schools at the top of this table are very selective on their admissions. Be aware that your child may not necessarily thrive in a high pressure academic environment. Please contact us for advice on choosing the right school.
  4. We make a substantial investment of time and effort in preparing these tables, and all copyright and database rights in the tables belong to us. Please respect this by not reproducing the tables or the information within them, in whole or in part, without our consent. If you wish to reproduce any of our tables or the information within them then please contact us for details.