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 | People | vs. typical |
|---|---|---|
| Boston College High School Massachusetts | 58.8× | |
| Regis High School New York | 27.9× | |
| Our Lady Queen of Angels Seminary California | 94.5× | |
| St. Joseph's Preparatory School Pennsylvania | 32.7× | |
| Xavier High School New York | 24.3× | |
| Gonzaga College High School | 26.7× | |
| Creighton Preparatory School Nebraska | 28.7× | |
| Fordham Preparatory School New York | 23.4× | |
| St. Xavier High School Ohio | 9.6× | |
| Camden Catholic High School New Jersey | 28.6× | |
| Cretin-Derham Hall High School Minnesota | 18.2× | |
| Roman Catholic High School Pennsylvania | 20.5× | |
| Canisius High School New York | 18.8× | |
| West Philadelphia Catholic High School Pennsylvania | 26.0× | |
| Loyola High School California | 25.5× | |
| Saint John's Catholic Prep Maryland | 35.8× |
| School | % of its noted alumni | People |
|---|---|---|
| Our Lady Queen of Angels Seminary California | 7 | |
| Boston College High School Massachusetts | 15 | |
| Saint John's Catholic Prep Maryland | 3 | |
| St. Joseph's Preparatory School Pennsylvania | 7 | |
| Creighton Preparatory School Nebraska | 5 | |
| Camden Catholic High School New Jersey | 3 | |
| Regis High School New York | 7 | |
| Gonzaga College High School | 5 | |
| West Philadelphia Catholic High School Pennsylvania | 3 | |
| Loyola High School California | 3 | |
| Xavier High School New York | 5 | |
| Fordham Preparatory School New York | 4 | |
| Roman Catholic High School Pennsylvania | 3 | |
| Canisius High School New York | 3 | |
| Cretin-Derham Hall High School Minnesota | 3 |