Katoomba High School Principals:
| Year Commenced | Principal |
|---|---|
| 1919 | Alfred Reynolds |
| 1921 | George Redshaw |
| 1928 | George Porter |
| 1931 | Ernest Bentley |
| 1943 | John Foster |
| 1946 | Wilfred Porter |
| 1950 | Gregory Bondietti |
| 1952 | Errol Johnstone |
| 1959 | William Magill |
| 1975 | Stanley Wick |
| 1975 | Kenneth R. Smith |
| 1985 | Peter A. Kidd |
| 1988 | Marie E. Standen |
| 1992 | Margot J. Auld |
| 1997 | Neil G. Harris |
| 2002 | Keith R. Miles |
| 2003 | Andrew L. Foy |
| 2008 | Gail L. Ross |
| 2012 | Robert J. O'Brien |
| 2013 | Jennifer A. Boyall |