General Brock Principals
1915 - Mr. A. R. North
1915 - 1918 - Mr. E. J. Sirrs
1918 - 1922 - Mr. J. L. Forster
1922 - 1932 - Miss S. G. Nichols
1932 - 1945 - Mr. G. H. Robson
1945 - 1953 - Mr. M. Lucas
1953 - 1954 - Mr. S. Tuck
1954 - 1956 - Mr. O. Mills
1956 - 1960 - Mr. H. C. Pillon
1960 - 1967 - Mr. D. J. Branch
1967 – 1973 - Mr. J. D. Pyke
1973 - 1979 - Mr. D. White
1979 - 1981 - Mr. D. Irwin
1981 - 1987 - Mr. J. Muir
1987 - 1989 - Mr. R. Kerr
1989 - 2004 - Mr. J. A. Askin
2004- 2005 - Mrs. C. Inverarity
2005 - 2006 - Mrs. R. Fox (Interim)
2006 - 2007 - Mrs. C. Inverarity
2007-09 - 2007-12 - Mrs. D. McAllister (Interim)
2008 – 2012 - Mrs. C. Inverarity
2012 - 2021 - Mrs. A. Adamson
2021 - 2024 - Mr. C. Callow
2024 - Present - Mrs. A. St. Germain