For 25 years Farr served as head, with conspicuous ability and success. Among those he influenced were Sir Denzil Ibbetson, Ven. Archdeacon W. J. Bussell, Rev. C. S. Hornabrook, George Leake (Premier of Western Australia), Sir John C. Bray; Sir John Downer, Dr. E. C. Stirling, Sir Lancelot Stirling, Dr. W. B. Blue; Sir Richard Butler, J. S. O'Halloran, T. J. S. O'Halloran (father of T. S. O'Halloran), and A. Buchanan.
