Principals, Associated Principals and Preceptresses
| NAME | TERM OF OFFICE | NAME | TERM OF OFFICE |
| Andrew Mack | 1811-12, 3 terms | Bartlett H. Weston | 1864-5 |
| William Cogswell | 1812-14 | Edward C. Miles | 1865-6, 1 term |
| James Adams | 1814-17 | Stephen W. Harmon | 1866-7 |
| Austin Pike | 1817 | Bartlett H. Weston | 1867-8 |
| Joshua Coffin | {Bartlett H. Weston {De Witt C. Durgin |
1868-9, 1 term | |
| {Francis Vose {Elizabeth Page |
1821-2 | De Witt C. Durgin | 1869-70 |
| {Jacob Cummings {Harriet Tewksbury |
1822- | Edwin De Merritt | 1870-2 |
| {Paine W. Chase {Jacob Cummings {Ann Foster Vose |
1825-6 1826-7 |
Lucy E. Dow | 1872, 1 term |
| {Thomas Tenney {Sarah Tenney |
1827-8 | Oliver A. Hutchinson | 1872-3, 1 term |
| {Roswell Harris {Matilda Leavitt |
1828-33 | Tobias D. Foss | 1873, 1 term |
| {Benjamin F. Shepard {Matilda Leavitt |
1833-4 | J. W. Cheney | 1874-6 |
| {Newton E. Marble {Mary Adams |
1834-5 | H. M. Hill | 1876-7 |
| {Amos Tuck {Priscilla Titcomb |
1835-8 | G. H. Ricker | 1877-9 |
| {Joseph Dow {Sarah A. Whitmore |
1838-9 | M. B. Manley | 1879, 2 terms |
| {Horace Hall {----- ----- |
1839-40 | Walter H. Russell | 1883-4, 2 terms |
| {John B. L. Soule {----- ----- |
1840-42 | Elwood S. Gerard | 1884, 1 term |
| {Timothy O. Norris {Leonora F. Chamberlain {Sarah F. Gordon.[1] |
1842-54 | Lendo G. Smith | 1884-5 |
| {Timothy O. Norris {Morris Lamprey |
1854, 1 term | ACADEMY AND HIGH SCHOOL | |
| Morris Lamprey | 1854-5 | Principal Jack Sanborn |
1885 |
| Thomas Leavitt | 1885, 1 term | Assistant Maria Perkins |
1886 |
| John W. Allard | 1855-8 | Vocal Culture | |
| Joseph C. Barrett | 1858-64 | Morlena M. Dearborn | 1889-90 |
| Sarah Neal Harris | 1890 |