| From | To | Principal |
| 1810 | 1815 | Rev. G. Ledwich |
| 1816 | 1818 | Rev. L. Bowerbank |
| 1818 | 1825 | Rev. Urquhart Gillespie Rose |
| 1826 | 1828 | Rev. Geo. Watson Askew, B.A |
| 1829 | 1833 | Rev. T.H. Gegg, A.M. |
| 1834 | 1838 | Unknown |
| 1839 | 1841 | Rev. T.H. Gegg, A.M. |
| 1842 | 1847 | Rev. William Cooke |
| 1848 | 1854 | Unknown |
| ? | 1855 | Rev. O. Handford, M.A |
| 1856 | 1861 | Rev. Morrison-Myers |
| 1862 | 1883 | Rev. John Leslie Main, B.A. |
| 1883 | 1915 | Archdeacon William Simms |
| 1916 | 1933 | William Cowper |
| 1933 | 1942 | Reginald Myrie Murray* |
| 1942 | 1946 | John William Sommerville Hardie |
| 1946 | 1960 | Hugo Carl Winston Chambers* |
| 1960 | 1964 | Vincent Harvey Ennever* |
| 1965 | 1970 | William H. Middleton |
| 1971 | 1993 | Ruel L. Taylor |
| 1993 | 1995 | Lloyd Bryan |
| 1995 | 1996 | Tim Akpeti (Actg Principal) |
| 1997 | 2006 | Stuart Reeves |
| 2006 | 2016 | Ruel Reid |
| 2016 | Present | Wayne Robinson* |
* = Old Boy
Any Old Boy having knowledge that could contribute to this page
Please e-mail us at info@jcobaca.org