UK IB School Ranking (by Cohort Size)

Avg. Name Day/Board Boy/Girl Cohort Points School Both Co-ed 205 39.6 United World College of the Atlantic Both Co-ed 168 35 St Clare's - Oxford Both Co-ed 115 35.9 King Edward's School (Boys) - Birmingham Day Boys 111 39.2 ACS Cobham International School Both Co-ed 97 29.9 Wellington College - Berkshire Both Co-ed 91 38.9 King's College - Wimbledon Day Co-ed 72 41.5 School - Both Co-ed 60 37.2 Haileybury - Hertford Both Co-ed 58 37.4 Southbank Intl School - Westminster Annexe Day Co-ed 55 35 St Leonards School - Fife Both Co-ed 54 34 King Edward's Witley Both Co-ed 51 33.4 TASIS - The American School in Both Co-ed 50 33.9 King William's College - Castletown Both Co-ed 49 32.2 Ardingly College - Haywards Heath Both Co-ed 47 39 Marymount International School Both Girls 44 36.3 Christ's Hospital - Horsham Both Co-ed 39 36.6 ACS Hillingdon International School Day Co-ed 39 31.9 ACS Egham International School Day Co-ed 38 35.5 Felsted School - Essex Both Co-ed 37 33.9 Cheltenham Ladies' College Both Girls 36 40 Scarborough College - N. Yorks Both Co-ed 33 29.7 Fettes College - Edinburgh Both Co-ed 32 37.3 Windermere School Both Co-ed 31 33.5 Bromsgrove School Both Co-ed 30 38 Gresham's School - Norfolk Both Co-ed 29 35 Taunton School Both Co-ed 28 33 - Crawley Both Co-ed 27 35.8 North Collegiate School - Edgeware Day Girls 26 41.7 Brentwood School Both Co-ed 26 36.8 Both Boys 26 36.4 International School of London, London Day Co-ed 26 33.5 Portsmouth Day Co-ed 25 38.7 College - Both Co-ed 25 36 Box Hill School - Dorking Both Co-ed 25 32.3 Both Co-ed 24 38.8 CATS College Both Co-ed 24 31.3 Headington School - Oxford Both Girls 23 39.3 Hurstpierpoint College Both Co-ed 23 38 School - Both Co-ed 22 31 Whitgift School - Croydon Both Boys 21 40.7 Stephen Perse Foundation - Cambridge Day Co-ed 21 40.2 College - Canterbury Both Co-ed 21 35.5 Source: Best-schools.co.uk