List of all winners in the Open First CAS/GPS Waterpolo competition
Newington College
1988, 1991, 2001, 2003, 2007, 2012, 2013, 2014, 2015, 2017, 2018*, 2019, 2020*, 2021
St Aloysius’ College
2009, 2010, 2016
St Ignatius’ College Riverview
2000, 2008, 2011
The Scots College
1992, 1995, 1997, 1998, 2002, 2004, 2005, 2018*
Trinity Grammar School
1994, 1996, 2006, 2023
Knox Grammar School
2020* 2024
Waverley College
1989, 1990, 1993, 1999
* Joint Premiers
2022 not awarded due to Covid in Term 4 2021
The Len Nixon CAS Water Polo Premiership Shield first awarded 2018
St. Aloysius’ College
2019
Barker College
Cranbrook School
Knox Grammar School
2020, 2021, 2024
Trinity Grammar School
2018, 2022, 2023
Waverley College