1 North London Collegiate School - Edgeware 42.4 2 King's College - Wimbledon 41.6 3 Godolphin & Latymer School - Hammersmith 41 4 Sevenoaks School 40.6 5 Stephen Perse Foundation (formerly Perse Girls) - Cambridge 40 6 Headington School - Oxford 39.8 7 Cheltenham Ladies' College 39.7 8 Whitgift School - Croydon 39.7 9 Wellington College - Berkshire 39.2 10 Bromsgrove School 39.1 11 King Edward's School (Boys) - Birmingham 39.1 12 Westbourne School, Cardi 37.6 13 Bedford Girls' School 37.5 14 Bedford School 37.4 15 Fettes College - Edinburgh 37.4 16 Portsmouth Grammar School 37.3 17 Royal High School - Bath 37.3 18 Brentwood School 37 19 Kent College - Canterbury 37 20 Ardingly College - Haywards Heath 36.8 21 Christ's Hospital - Horsham 36.6 22 Haileybury - Hertford 36.4 23 Abbey School - Reading 36.3 24 Bradeld College - Reading 36.3 25 Oakham School - Rutland 36.1 26 Southbank International School - Westminster Annexe 36.1 27 Taunton School 36 28 Worth School - Crawley 36 IB Ranking 2017 Hong Kong Head O ce Kowloon O ce Suites 1901-02,04, 19/F, Chinachem Leighton Plaza Suite no. 02, Level 22, Langham Place O ce Tower, 29 Leighton Rd, Causeway Bay 8 Argyle Street, Mongkok, Hong Kong 29 St Clare's - Oxford 35.9 30 Dwight School London 35.9 31 Marymount International School - Kingston Upon Thames 35.8 32 ACS Egham International School 35.4 33 Bryanston School - Blandford Forum 35.3 34 Charterhouse School 35 35 St Edward's School - Oxford 35 36 United World College of the Atlantic 35 37 Windermere School 35 38 Sherborne Girls 34.8 39 Felsted School - Essex 34 40 CATS College Canterbury 33.6 41 Stonyhurst College - Clitheroe 33.5 42 ACS Cobham International School 33.4 43 Leighton Park School 32.9 44 ACS Hillingdon International School 32.7 45 King William's College - Castletown 32.6 46 Scarborough College - N. Yorks 32.5 47 St Leonards School - Fife 32.6 48 International School of London, London 32 49 TASIS - The American School in England 32 50 King Edward's Witley 31.9 51 Rydal Penrhos 31.5 52 Gresham's School - Norfolk 31.1 53 Warminster School - Wiltshire 31 54 Box Hill School - Dorking 30.2 55 Ellesmere College - Shropshire 28.4 56 Sidcot School - Winscombe 28.3 IB Ranking 2017 Hong Kong Head O ce Kowloon O ce Suites 1901-02,04, 19/F, Chinachem Leighton Plaza Suite no. 02, Level 22, Langham Place O ce Tower, 29 Leighton Rd, Causeway Bay 8 Argyle Street, Mongkok, Hong Kong.