Heads of the Schools
| Shippen School (founded 1908) | |
|---|---|
| Alice Hill Byrne | 1908–09 |
| Alice Webb Stockwell | 1908–09 |
| Florence Waterman | 1909–11 |
| Emily R. Underhill | 1912–23 |
| Anna Sener Rusk | 1923–24 |
| Emily P. Larrabee | 1924–26 |
| M. Helen Titzel | 1926 |
| Elizabeth Ross | 1927–37 |
| Eleanor Fitzpatrick | 1937–43 |
| Lancaster Country Day School (founded 1943) | |
|---|---|
| Eleanor Fitzpatrick | 1943–45 |
| Rebecca Walton Griest | 1945–46 |
| Robert Holt Iglehart | 1946–49 |
| John L. Byerly | 1949–62 |
| Carl Denlinger | 1962 |
| Nathaniel Saltonstall II | 1962–65 |
| John A. Jarvis | 1965–90 |
| Richard D. Johnson | 1990–99 |
| Michael J. Mersky | 1999–2007 |
| Daphna Ben-Chaim (Acting Head) | 2007– |
