| 2015 | 2016 | 2017 | 2018 | 2019 | Total | |
| Ardingly | 1 | 1 | ||||
| Beechwood Sacred Heart | 2 | 2 | ||||
| Benenden | 1 | 1 | 2 | 4 | ||
| Bennett Memorial | 2 | 1 | 1 | 4 | ||
| Bethany School | 1 | 1 | ||||
| British International School, Cairo | 1 | 1 | ||||
| Bromley High School | 1 | 1 | ||||
| Caterham | 2 | 1 | 2 | 4 | 1 | 10 |
| Cheltenham Ladies’ College | 1 | 1 | ||||
| Cobham Hall | 2 | 2 | ||||
| Colfe’s | 1 | 1 | ||||
| Dartford Grammar – girls | 1 | 1 | ||||
| Dunottar | 1 | 1 | ||||
| Eltham College | 1 | 1 | ||||
| Epsom College | 1 | 1 | ||||
| Farringtons | 1 | 1 | ||||
| Haileybury | 1 | 1 | ||||
| Hawthorns School | 1 | 1 | ||||
| Hayesbrook School | 1 | 1 | ||||
| Hillview School for Girls | 1 | 1 | ||||
| International School of Central Switzerland | 1 | 1 | ||||
| International School of Geneva | 1 | 1 | ||||
| Kent College, Pembury | 1 | 5 | 1 | 2 | 9 | |
| The Judd School | 1 | 1 | 2 | 1 | 5 | |
| King’s Ely | 1 | 1 | ||||
| Maidstone Grammar – boys | 1 | 1 | 2 | |||
| Mayfield | 1 | 1 | ||||
| Oakwood Park Grammar School | 1 | 1 | ||||
| Radnor House | 2 | 6 | 1 | 2 | 11 | |
| Raymond J Fisher Middle School, California | 1 | 1 | ||||
| Sackville School | 1 | 1 | 2 | 4 | ||
| Sevenoaks Prep | 1 | 1 | ||||
| Sevenoaks School | 7 | 6 | 8 | 8 | 4 | 33 |
| Skinners’ School | 3 | 2 | 5 | |||
| Sutton Valence | 3 | 2 | 3 | 8 | ||
| Tonbridge Grammar | 2 | 1 | 2 | 2 | 7 | |
| Trinity School | 2 | 1 | 3 | 1 | 7 | |
| Tunbridge Wells Grammar – boys | 2 | 3 | 1 | 6 | ||
| Tunbridge Wells Grammar – girls | 1 | 1 | ||||
| Walthamstow Hall | 1 | 2 | 3 | 1 | 2 | 9 |
| Weald of Kent Grammar | 1 | 1 | 4 | 1 | 7 | |
| Wilmington Grammar Boys | 1 | 1 | ||||
| Wilmington Grammar Girls | 1 | 1 | ||||
| Woldingham School | 1 | 1 | ||||
| Wrotham School | 1 | 1 | ||||
| 30 | 34 | 42 | 32 | 24 | 161 |
| 2015 | 2016 | 2017 | 2018 | 2019 | Total | |
| Ardingly | 1 | 1 | 2 | |||
| Benenden | 1 | 1 | ||||
| Bethany School | 1 | 1 | ||||
| British International School, Cairo | 1 | 1 | ||||
| Caterham | 4 | 1 | 6 | 2 | 2 | 15 |
| Christ’s Hospital | 1 | 1 | ||||
| Cobham Hall | 1 | 1 | ||||
| Cranbrook School | 1 | 2 | 3 | |||
| Dunottar School | 1 | 1 | ||||
| Hurstpierpoint | 1 | 1 | 2 | |||
| International School of Geneva | 1 | 1 | ||||
| Kent College, Pembury | 4 | 1 | 5 | |||
| King’s Canterbury | 1 | 1 | 2 | |||
| King’s Rochester | 3 | 1 | 1 | 5 | ||
| Mayfield | 1 | 1 | ||||
| Millfield | 1 | 1 | ||||
| Radnor House | 1 | 1 | 2 | |||
| Sackville | 1 | 1 | ||||
| Sevenoaks School | 6 | 8 | 8 | 4 | 2 | 28 |
| Skinners’ Grammar School | 1 | 1 | ||||
| Strathallan | 1 | 1 | ||||
| Sutton Valence | 7 | 6 | 2 | 15 | ||
| Tonbridge | 2 | 1 | 2 | 6 | 11 | |
| Truro School | 2 | 2 | ||||
| Walthamstow Hall | 3 | 2 | 5 | |||
| Wrotham School | 3 | 3 | ||||
| 31 | 24 | 23 | 20 | 14 | 112 |
| 2014 | 2015 | 2016 | 2017 | 2018 | Total | |
| Ardingly | 1 | 1 | ||||
| Beechwood Sacred Heart | 2 | 2 | ||||
| Benenden | 1 | 1 | 1 | 3 | ||
| Bennett Memorial | 2 | 2 | 1 | 5 | ||
| Bethany School | 1 | 1 | ||||
| Bromley High School | 1 | 1 | ||||
| Caterham | 2 | 1 | 2 | 4 | 9 | |
| Cheltenham Ladies’ College | 1 | 1 | ||||
| Cobham Hall | 2 | 2 | ||||
| Colfe’s | 1 | 1 | ||||
| Dartford Grammar – girls | 1 | 1 | 2 | |||
| Dunottar | 1 | 1 | ||||
| Eltham College | 1 | 1 | 2 | |||
| Epsom College | 1 | 1 | ||||
| Haileybury | 1 | 1 | ||||
| Hawthorns School | 1 | 1 | ||||
| Hayesbrook School | 1 | 1 | ||||
| Hilden Grange | 1 | 1 | ||||
| Hillview School for Girls | 1 | 1 | ||||
| International School of Central Switzerland | 1 | 1 | ||||
| International School of Geneva | 1 | 1 | ||||
| Kent College, Pembury | 3 | 1 | 5 | 1 | 2 | 12 |
| The Judd School | 1 | 1 | 2 | 4 | ||
| Maidstone Grammar – boys | 1 | 1 | ||||
| Oakwood Park Grammar School | 1 | 1 | ||||
| Radnor House | 2 | 6 | 1 | 9 | ||
| Raymond J Fisher Middle School, California | 1 | 1 | ||||
| Sackville School | 1 | 1 | 2 | |||
| Sevenoaks School | 5 | 7 | 6 | 8 | 8 | 34 |
| Skinners’ School | 2 | 3 | 2 | 7 | ||
| St Olave’s Grammar | 1 | 1 | ||||
| Sutton Valence | 1 | 3 | 2 | 3 | 9 | |
| Tonbridge Grammar | 2 | 2 | 1 | 2 | 2 | 9 |
| Trinity School | 2 | 2 | 1 | 3 | 8 | |
| Tunbridge Wells Grammar – boys | 2 | 3 | 5 | |||
| Tunbridge Wells Grammar – girls | 1 | 1 | 2 | |||
| Walthamstow Hall | 1 | 1 | 2 | 3 | 1 | 8 |
| Weald of Kent Grammar | 1 | 1 | 4 | 6 | ||
| Wilmington Grammar Boys | 1 | 1 | ||||
| Wilmington Grammar Girls | 1 | 1 | ||||
| Woldingham School | 1 | 1 | ||||
| Wrotham School | 1 | 1 | ||||
| 24 | 30 | 34 | 42 | 32 | 162 |
| 2014 | 2015 | 2016 | 2017 | 2018 | Total | |
| Ardingly | 1 | 1 | 2 | |||
| Bede’s | 1 | 1 | ||||
| Benenden | 1 | 1 | 2 | |||
| Caterham | 3 | 4 | 1 | 6 | 2 | 16 |
| Christ’s Hospital | 1 | 1 | ||||
| Cobham Hall | 1 | 1 | ||||
| Cranbrook School | 1 | 1 | ||||
| Dunottar School | 1 | 1 | ||||
| Hurstpierpoint | 1 | 1 | 2 | |||
| International School of Geneva | 1 | 1 | ||||
| Kent College, Pembury | 3 | 4 | 7 | |||
| King’s Canterbury | 1 | 1 | 2 | |||
| King’s Rochester | 3 | 1 | 1 | 5 | ||
| Mayfield | 1 | 1 | ||||
| Radnor House | 1 | 1 | 2 | |||
| Sackville | 1 | 1 | 2 | |||
| Sevenoaks School | 5 | 6 | 8 | 8 | 4 | 31 |
| Skinners’ Grammar School | 1 | 1 | ||||
| Strathallan | 1 | 1 | ||||
| Sutton Valence | 7 | 6 | 13 | |||
| Tonbridge | 4 | 2 | 1 | 2 | 6 | 15 |
| Truro School | 2 | 2 | ||||
| Walthamstow Hall | 3 | 3 | 2 | 8 | ||
| Woldingham | 1 | 1 | ||||
| Wrotham School | 3 | 3 | ||||
| 24 | 31 | 24 | 23 | 20 | 122 |
