| 1899 | Chicago (Harvard) and Chicago (University School [not University High]) meet in first known golf match between two Illinois secondary schools. |
| 1903 | First Western Interscholastic Golf Tournament held (open meet for high school athletes). |
| 1916 | University of Illinois sponsors first state high school golf tournament (individual competition only). |
| 1934 | State tournament held in the fall instead of the spring during the 1934-35 school year; meet held away from University of Illinois for the first time (at Peoria). |
| 1938 | First team competition conducted in state high school tournament. |
| 1974 | State meet moved permanently from the spring to the fall season. |
| 1975 | Competition held in two classes for the first time. |
| 2007 | Competition held in three classes for the first time. |