| 1 – 5 | Brearley School | US |
| 1 – 5 | Chapin School | US |
| 1 – 5 | Collegiate School | US |
| 1 – 5 | St. Anne’s School | US |
| 1 – 5 | Trinity School | US |
| 5 – 10 | Phillips Academy Andover | US |
| 5 – 10 | Dalton School | US |
| 5 – 10 | Roxbury Latin School | US |
| 5 – 10 | Spence School | US |
| 5 – 10 | Winsor School | US |
| 10 – 20 | Ethical Culture Fieldstone School | US |
| 10 – 20 | Phillips Exeter Academy | US |
| 10 – 20 | Greenwich Academy | US |
| 10 – 20 | Groton School | US |
| 10 – 20 | Lawrenceville School | US |
| 10 – 20 | Milton Academy | US |
| 10 – 20 | Polytechnic School | US |
| 10 – 20 | St. Paul’s School | US |
| 10 – 20 | St. Paul’s Girls’ School London | UK |
| 10 – 20 | Westminster School London | UK |
| 20 – 30 | Boston University Academy | US |
| 20 – 30 | Crystal Springs Upland School | US |
| 20 – 30 | Germantown Friends School | US |
| 20 – 30 | Hotchkiss School | US |
| 20 – 30 | Marborough School | US |
| 20 – 30 | Noble and Greenough School | US |
| 20 – 30 | Pingry School | US |
| 20 – 30 | St. Albans School | US |
| 20 – 30 | St. Mark’s School of Texas | US |
| 20 – 30 | St. Paul’s School London | US |
| 30 – 40 | Belmont Hill School | US |
| 30 – 40 | Brunswick School | US |
| 30 – 40 | Convent of the Sacred Heart | US |
| 30 – 40 | Deerfield Academy | US |
| 30 – 40 | Harvard-Westlake School | US |
| 30 – 40 | Menlo School | US |
| 30 – 40 | Riverdale Country School | US |
| 30 – 40 | Rye Country Day School | US |
| 30 – 40 | San Francisco University High School | US |
| 30 – 40 | Winchester College | UK |
| 40 – 50 | Bishops School | US |
| 40 – 50 | Branson School | US |
| 40 – 50 | Choate Rosemary Hall | US |
| 40 – 50 | College Preparatory School | US |
| 40 – 50 | Commonwealth School | US |
| 40 – 50 | Eton College | UK |
| 40 – 50 | Haberdasher’s Aske’s Boys’ School | UK |
| 40 – 50 | King’s College School | UK |
| 40 – 50 | Magdalen College School | UK |
| 40 – 50 | Middlesex School | US |
| 50 – 60 | Cate School | US |
| 50 – 60 | Haverford School | US |
| 50 – 60 | Hopkins Schools | US |
| 50 – 60 | Newark Academy | US |
| 50 – 60 | Nightingale-Bamford School | US |
| 50 – 60 | North London Collegiate School | UK |
| 50 – 60 | Oxford High School | UK |
| 50 – 60 | Perse School for Girls | UK |
| 50 – 60 | Regis High School | US |
| 50 – 60 | Wycombe Abbey School | UK |
| 60 – 70 | City of London School | UK |
| 60 – 70 | City of London School for Girls | UK |
| 60 – 70 | Lakeside School | US |
| 60 – 70 | Manchester Grammar School | UK |
| 60 – 70 | Maret School | US |
| 60 – 70 | Ransom Everglades School | US |
| 60 – 70 | Royal Grammar School Guildford | UK |
| 60 – 70 | Thacher School | US |
| 60 – 70 | Tonbridge School | UK |
| 60 – 70 | University of Toronto Schools | Canada |
| 70 – 80 | Concord Academy | US |
| 70 – 80 | Delbarton School | US |
| 70 – 80 | Episcopal High School | US |
| 70 – 80 | Godolphin and Latymer School | US |
| 70 – 80 | John Burroughs School | US |
| 70 – 80 | Lick-Wilmerding High School | US |
| 70 – 80 | Princeton Day School | US |
| 70 – 80 | Sevenoaks School | US |
| 70 – 80 | University of Chicago Laboratory School | US |
| 70 – 80 | Upper Canada College | Canada |
| 80 – 90 | Baldwin School | US |
| 80 – 90 | Cheltenham Ladies’ College | UK |
| 80 – 90 | Haberdasher’s Aske’s School for Girls | UK |
| 80 – 90 | Hampton School | US |
| 80 – 90 | King Edward’s School Birmingham | UK |
| 80 – 90 | Lady Eleanor Holles School | US |
| 80 – 90 | Perse School Cambridge | UK |
| 80 – 90 | St. Andrew’s School | US |
| 80 – 90 | Taft School | US |
| 80 – 90 | University College School | UK |
| 90 – 100 | Abingdon School | UK |
| 90 – 100 | Badminton School | UK |
| 90 – 100 | Blair Academy | US |
| 90 – 100 | Brighton College | US |
| 90 – 100 | Convent of Sacred Heart School | US |
| 90 – 100 | Friends Seminary | US |
| 90 – 100 | Harrow School | US |
| 90 – 100 | Hill School | US |
| 90 – 100 | King’s School Canterbury | UK |
| 90 – 100 | St. Swithun’s School | UK |
El Dorado 