Table:
text: Associated Public Schools of Victoria
Current member schools
Current member schools
School Location_ Enrolment Founded Denomination Boys_Girls Day_Boarding Year_Entered_Competition
Melbourne Grammar School Melbourne 1789 1858 Anglican Boys (K-12) & Girls (K-6) Day & Boarding 1900
St Kevin`s College Toorak 1997 1918 Roman Catholic Boys Day 1958
Scotch College Hawthorn 1837 1851 Presbyterian Boys Day & Boarding 1900
Wesley College Melbourne , Glen Waverley , Elsternwick , Clunes 3600 1866 Uniting Church Boys & Girls Day 1900
Xavier College Kew , Brighton 2085 1878 Roman Catholic , Jesuit Boys (K-12) & Girls (K-4) Day & Boarding 1900

text: Associated Public Schools of Victoria
Current member schools
Current member schools
School Location_ Enrolment Founded Denomination Boys_Girls Day_Boarding Year_Entered_Competition
Brighton Grammar School Brighton 1121 1882 Anglican Boys Day 1958
Carey Baptist Grammar School Kew , Donvale 2131 1923 Baptist Boys & Girls Day 1958
Caulfield Grammar School Caulfield , Malvern , Wheelers Hill 3010 1881 Anglican Boys & Girls Day & Boarding 1958
The Geelong College Geelong 1182 1861 Uniting Church Boys & Girls Day & Boarding 1908
Geelong Grammar School Geelong 1444 1855 Anglican Boys & Girls Day & Boarding 1900
Haileybury Brighton , Berwick , Keysborough 3083 1892 Uniting Church Boys & Girls Day 1958

Question: What is the earliest established day school to compete among the Associated Public Schools of Victoria after 1958?