| Independent Sporting Association | |
| Abbreviation: | ISA |
| Size: | 150px |
| Headquarters: | Sydney, Australia |
| Membership: | 20 member schools |
| Language: | English |
The Independent Sporting Association (ISA) is a grouping of independent schools in New South Wales, Australia, generally within of the Sydney central business district, that are associated for the purposes of sporting competitions.
Members of the ISA often compete with members of the Great Public Schools (GPS) and Combined Associated Schools (CAS) in trial and representative fixtures.
Of New South Wales' 130 Rhodes Scholars from 1904 to 2006, two have attended a school that is a member of the ISA.[1]
| School | Location | Enrolment | Founded | Denomination | Boys/Girls | Day/Boarding | School colours | |
|---|---|---|---|---|---|---|---|---|
| Blue Mountains Grammar School | Wentworth Falls | 600 | 1918 | Anglican | Boys & Girls | Day | Gold & Blue | |
| Central Coast Grammar School | Erina | 1,200 | 1985 | Non-denominational | Boys & Girls | Day | Green, Gold & Blue | |
| Chevalier College | Bowral | 1,200 | 1946 | Roman Catholic | Boys & Girls | Day | Blue & Maroon | |
| Oakhill College | Castle Hill | 1,680 | 1937 | Roman Catholic | Boys & Girls | Day | Maroon & Gold | |
| Oxley College | Bowral | 500 | 1983 | Non-denominational | Boys & Girls | Day | Navy & Gold | |
| SCECGS Redlands | Cremorne | 1,600 | 1884 | Anglican | Boys & Girls | Day | Blue, Red & Gold | |
| St Andrew's Cathedral School | Sydney | 1,100 | 1885 | Anglican | Boys & Girls | Day | Blue & White | |
| St Augustine's College | Brookvale | 1,200 | 1956 | Roman Catholic | Boys | Day | Green, Yellow & Red | |
| St Patrick's College | Strathfield | 1,430 | 1928 | Roman Catholic | Boys | Day | Blue, Black & Gold | |
| St Paul's Grammar School | Cranebrook | 1,350 | 1983 | Non-denominational Christian | Boys & Girls | Day | Blue & Green | |
| St Pius X College | Chatswood | 1,300 | 1937 | Roman Catholic | Boys | Day | Blue & Gold | |
| St Spyridon College | Maroubra | 700 | 1983 | Greek Orthodox | Boys & Girls | Day | Blue & White | |
| St Stanislaus' College | Bathurst | 790 | 1867 | Roman Catholic | Boys | Day & Boarding | Blue & White |
| School | Location | Enrolment | Founded | Denomination | Boys/Girls | Day/Boarding | School Colours | |
|---|---|---|---|---|---|---|---|---|
| St Gregory's College | Gregory Hills | 1,100 | 1926 | Roman Catholic | Boys | Day & Boarding | Maroon and Sky Blue | |
| Barker College | Hornsby | 2,200 | 1890 | Anglican | Boys & Girls | Day & Boarding | Red & Blue | |
| Kinross Wolaroi School | Orange | 980 | 1886 | Uniting Church | Boys & Girls | Day & Boarding | Two Blues | |
| Redfield College | Dural | 490 | 1986 | Roman Catholic | Boys | Day | Red, Blue & White | |
| Scots All Saints' College | Bathurst | ~500 | 2019 | Presbyterian | Boys & Girls | Day & Boarding |
The Competition in some sports is split into a 1st division and a second division with the stronger schools being in the 1st Division.