Which high schools produce the most (left), and where it's the biggest part of the school's identity (right). People who came of age recently weigh more than those from earlier eras.
| School | % of its noted alumni | People |
|---|---|---|
| Milton Academy Massachusetts | 23 | |
| Horace Mann School New York | 34 | |
| Sidwell Friends School | 21 | |
| Saint Ann's School New York | 16 | |
| Ethical Culture Fieldston School New York | 31 | |
| Scarsdale High School New York | 21 | |
| Miss Porter's School Connecticut | 13 | |
| Concord Academy Massachusetts | 10 | |
| John L. Miller Great Neck North High School New York | 12 | |
| Collegiate School New York | 17 | |
| Brookline High School Massachusetts | 14 | |
| Portsmouth Abbey School Rhode Island | 9 | |
| City and Country School New York | 7 | |
| Phillips Exeter Academy New Hampshire | 128 | |
| Riverdale Country School New York | 15 | |
| Columbia Grammar & Preparatory School New York | 18 | |
| Brearley School New York | 14 | |
| Packer Collegiate Institute New York | 12 | |
| Bronx High School of Science New York | 34 | |
| Georgetown Day School | 8 | |
| Commonwealth School Massachusetts | 7 | |
| Stuyvesant High School New York | 42 | |
| Shortridge High School Indiana | 14 | |
| The Putney School Vermont | 14 | |
| DeWitt Clinton High School New York | 52 |