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

Knox Grammar School

2020*

Waverley College

1989, 1990, 1993, 1999

* Joint Premiers

The Len Nixon CAS Water Polo Premiership Shield first awarded 2018

St. Aloysius’ College
2019

Barker College

Cranbrook School

Knox Grammar School
2020, 2021

Trinity Grammar School
2018, 2022

Waverley College