There have been eleven Deniliquin High School Principals since the school opened in 1954.
The longest serving Principal is B. Farlow who held the position from 1956 to 1971 with Mr. McBeth the shortest serving with a one year stint.
1954 – 1955 – J. Williams
1956 – 1971 – B. Farlow
1972 – 1974 – A. Forster
1975 – 1977 – R. Fokes
1978 – 1981 – S. Letchford
1982 – 1984 – E. Gorman
1985 – 1989 – R. Cantrill
1990 – 1996 – B. Ryan
– 1997 – P. McBeth
1998 – 2008 – B. Roebuck
2009 – 2014 – A. Collins
2015 – Present – G. Warren