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TOP 100 SHOOLS FOR GCSES
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TOP 100 SHOOLS FOR IB BACHLER
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2023 Best Private School IB Diploma Ranking

This table lists the top independent schools in the UK based on their 2023 IB diploma scores. The ranking is determined by the average score of each school, with a maximum score of 45 points.

The global average for 2023 is 30.24, while the average for schools in the UK is 34.67.

Rank IB Diploma Score School Gender Region Boarding
1 IB Diploma Score: 42.10 School: King’s College School Wimbledon Gender: Co-ed Region: London Boarding: Day
2 IB Diploma Score: 41.50 School: North London Collegiate School Gender: Girls Region: London Boarding: Day,
3 IB Diploma Score: 41.00 School: The Godolphin and Latymer School Gender: Girls Region: London Boarding: Day,
4 IB Diploma Score: 39.10 School: Cheltenham Ladies’ College Gender: Girls Region: South West Boarding: Day, Boarding
5 IB Diploma Score: 39.00 School: Sevenoaks School Gender: Co-ed Region: South East Boarding: Day, Boarding
6 IB Diploma Score: 38.50 School: Whitgift School Gender: Boys Region: London Boarding: Day, Boarding
7 IB Diploma Score: 38.10 School: Wellington College Gender: Co-ed Region: South East Boarding: Day, Boarding
8 IB Diploma Score: 38.10 School: The Abbey School Reading Gender: Girls Region: South East Boarding: Day,
9 IB Diploma Score: 38.00 School: Bromsgrove School Gender: Co-ed Region: West Midlands Boarding: Day, Boarding
10 IB Diploma Score: 38.00 School: Rugby School Gender: Co-ed Region: West Midlands Boarding: Day, Boarding
11 IB Diploma Score: 38.00 School: Bedford Girls’ School Gender: Girls Region: Anglia Boarding: Day,
12 IB Diploma Score: 37.10 School: Haileybury Gender: Co-ed Region: Anglia Boarding: Day, Boarding
13 IB Diploma Score: 37.00 School: Fettes College Gender: Co-ed Region: Scotland Boarding: Day, Boarding
14 IB Diploma Score: 36.90 School: Bristol Grammar School Gender: Co-ed Region: South West Boarding: Day,
15 IB Diploma Score: 36.50 School: Marymount International School London Gender: Girls Region: London Boarding: Day, Boarding
16 IB Diploma Score: 36.20 School: Felsted School Gender: Co-ed Region: Anglia Boarding: Day, Boarding
17 IB Diploma Score: 36.10 School: Ardingly College Gender: Co-ed Region: South East Boarding: Day, Boarding
18 IB Diploma Score: 36.00 School: Brentwood School Gender: Co-ed Region: Anglia Boarding: Day, Boarding
19 IB Diploma Score: 36.00 School: Ecole Jeannine Manuel Gender: Co-ed Region: London Boarding: Day,
20 IB Diploma Score: 36.00 School: Kent College Canterbury Gender: Co-ed Region: South East Boarding: Day, Boarding
21 IB Diploma Score: 35.90 School: Redmaids’ High School Gender: Girls Region: South West Boarding: Day,
22 IB Diploma Score: 35.90 School: Gresham’s School Gender: Co-ed Region: Anglia Boarding: Day, Boarding
23 IB Diploma Score: 35.80 School: Bradfield College Gender: Co-ed Region: South East Boarding: Day, Boarding
24 IB Diploma Score: 35.70 School: St Clare’s Oxford Gender: Co-ed Region: South East Boarding: Day, Boarding
25 IB Diploma Score: 35.50 School: King Edward’s School, Birmingham Gender: Boys Region: West Midlands Boarding: Day,
26 IB Diploma Score: 35.10 School: Southbank International School Gender: Co-ed Region: London Boarding: Day,
27 IB Diploma Score: 35.00 School: St Edward’s School Oxford Gender: Co-ed Region: South East Boarding: Day, Boarding
28 IB Diploma Score: 35.00 School: ACS Cobham Gender: Co-ed Region: South East Boarding: Day, Boarding
29 IB Diploma Score: 35.00 School: Lycee International de Londres Winston Churchill Gender: Co-ed Region: London Boarding: Day,
30 IB Diploma Score: 35.00 School: Malvern College Gender: Co-ed Region: West Midlands Boarding: Day, Boarding
31 IB Diploma Score: 35.00 School: Dwight School London Gender: Co-ed Region: London Boarding: Day,
32 IB Diploma Score: 34.80 School: St Leonards Gender: Co-ed Region: Scotland Boarding: Day, Boarding
33 IB Diploma Score: 34.80 School: Royal High School Bath Gender: Girls Region: South West Boarding: Day, Boarding
34 IB Diploma Score: 34.60 School: ACS Egham Gender: Co-ed Region: South East Boarding: Day,
35 IB Diploma Score: 34.40 School: Oakham School Gender: Co-ed Region: East Midlands Boarding: Day, Boarding
36 IB Diploma Score: 34.30 School: Charterhouse Gender: Co-ed Region: South East Boarding: Day, Boarding
37 IB Diploma Score: 34.00 School: Rossall School Gender: Co-ed Region: North West Boarding: Day, Boarding
38 IB Diploma Score: 34.00 School: TASIS The American School in England Gender: Co-ed Region: South East Boarding: Day, Boarding
39 IB Diploma Score: 34.00 School: Lomond School Gender: Co-ed Region: Scotland Boarding: Day, Boarding
40 IB Diploma Score: 34.00 School: Halcyon London International School Gender: Co-ed Region: London Boarding: Day,
41 IB Diploma Score: 34.00 School: ACS Hillingdon Gender: Co-ed Region: South East Boarding: Day,
42 IB Diploma Score: 33.60 School: Stonyhurst College Gender: Co-ed Region: North West Boarding: Day, Boarding
43 IB Diploma Score: 33.30 School: Bedford School Gender: Boys Region: Anglia Boarding: Day, Boarding
44 IB Diploma Score: 33.00 School: Sidcot School Gender: Co-ed Region: South West Boarding: Day, Boarding
45 IB Diploma Score: 32.30 School: King Edward’s School Witley Gender: Co-ed Region: South East Boarding: Day, Boarding
46 IB Diploma Score: 32.20 School: Ryde School with Upper Chine Gender: Co-ed Region: South East Boarding: Day, Boarding
47 IB Diploma Score: 32.00 School: Bryanston School Gender: Co-ed Region: South West Boarding: Day, Boarding
48 IB Diploma Score: 31.90 School: King William’s College Gender: Co-ed Region: North West Boarding: Day, Boarding
49 IB Diploma Score: 31.90 School: Taunton School Gender: Co-ed Region: South West Boarding: Day, Boarding
50 IB Diploma Score: 31.70 School: Box Hill School Gender: Co-ed Region: South East Boarding: Day, Boarding
51 IB Diploma Score: 31.60 School: Windermere School Gender: Co-ed Region: North West Boarding: Day, Boarding
52 IB Diploma Score: 31.50 School: Leighton Park School Gender: Co-ed Region: South East Boarding: Day, Boarding
53 IB Diploma Score: 31.00 School: International School of Aberdeen Gender: Co-ed Region: Scotland Boarding: Day,
54 IB Diploma Score: 30.70 School: International Community School (ICS) London Gender: Co-ed Region: London Boarding: Day,
55 IB Diploma Score: U/A School: EIFA International School London Gender: Co-ed Region: London Boarding: Day,
56 IB Diploma Score: U/A School: Warminster School Gender: Co-ed Region: South West Boarding: Day, Boarding
57 IB Diploma Score: U/A School: Ellesmere College Gender: Co-ed Region: West Midlands Boarding: Day, Boarding
58 IB Diploma Score: U/A School: Stephen Perse Foundation Gender: Co-ed Region: Anglia Boarding: Day, Boarding
59 IB Diploma Score: U/A School: Worth School Gender: Co-ed Region: South East Boarding: Day, Boarding
60 IB Diploma Score: U/A School: Buckswood School Gender: Co-ed Region: South East Boarding: Day, Boarding
61 IB Diploma Score: U/A School: Scarborough College Gender: Co-ed Region: Yorks/Humber Boarding: Day, Boarding
62 IB Diploma Score: U/A School: Westbourne School Penarth Gender: Co-ed Region: Wales Boarding: Day, Boarding
63 IB Diploma Score: U/A School: The Chalfonts Independent Grammar School Gender: Co-ed Region: London Boarding: Day,
64 IB Diploma Score: U/A School: International School of London (ISL) Gender: Co-ed Region: London Boarding: Day,
65 IB Diploma Score: U/A School: The Worthgate School (formerly CATS Canterbury) Gender: Co-ed Region: South East Boarding: Day, Boarding
66 IB Diploma Score: U/A School: EF International Academy Oxford Gender: Co-ed Region: South East Boarding: Day, Boarding
67 IB Diploma Score: U/A School: UWC Atlantic College Gender: Co-ed Region: Wales Boarding: Day, Boarding
Important
  1. Unless otherwise specified, all exam score data are based on the results released in the summer of 2023. The data is compiled from reliable official sources and updated after obtaining sufficient results. As long as new information is available, the results will be updated and modified.
  2. U/A=result unavailable. N/A=The school does not offer this course.
  3. It is common practice to rate exam scores based on A * - A (A-level), 7,8,9 (GCSE), or the percentage of each candidate's IB average score. However, the presentation format of the data (especially the column headings and calculations envisioned for specific subject rankings and BTEC rankings) is a copyright material of SLE and is protected by database rights. This content is for personal non commercial use only, and you are not allowed to copy, republish, duplicate or otherwise use this format or content in any way.
  4. Rankings should not be used alone to determine suitable schools. We will make every effort to verify the data in these tables, but SLE does not assume any responsibility for your reliance on the information on this website or any errors or omissions. Please refer to our terminology for further information.