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Competitive spirit with integrity and fair play, the ISA way

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Upcoming Events

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Stay up to date with the latest ISA sporting events, including times,
locations, and key details across all sports and competitions.

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Basketball
Thu
23
Apr 2026

Secondary Girls 16&U Basketball Championships

Hills Basketball Association, Caterson Dr, Castle Hill NSW 2154, Australia
8:30 am – 3:30 pm
Details
Basketball
Thu
23
Apr 2026

Secondary Girls 19&U Basketball Championships

Hills Basketball Association, Caterson Dr, Castle Hill NSW 2154, Australia
8:30 am – 3:30 pm
Details
Rugby 7s
Wed
22
Apr 2026

ISA Girls 18&U Representative Rugby 7s Trials

Rosewood Field – Barker, 19 Unwin Rd, Waitara NSW 2077, Australia
10:00 am – 2:00 pm
Details
Rugby 7s
Wed
22
Apr 2026

ISA Girls 16&U Representative Rugby 7s Trials

Rosewood Field – Barker, 19 Unwin Rd, Waitara NSW 2077, Australia
10:00 am – 2:00 pm
Details
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About ISA
About ISA
The ISA is a school sport organisation supporting independent schools across NSW. We run inter-school competitions for Years 7-12, promoting participation and school spirit, built on values of excellence and fair play.
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Who we are
Who we are
ISA brings together diverse independent schools across NSW. Led by educators and sports professionals, we’re united by a belief in the power of sport to build community and character.
What we do
What we do
ISA organises Saturday school sport competitions and provide pathways for students to progress to state and national representation. Our programs encourage teamwork, growth, and a love of the game.
Who we are for
Who we are for
The ISA supports students, staff, and families across member schools. We serve boys and girls in Years 7–12, creating inclusive sporting experiences and opportunities to grow through sport.
Our History
Our History
Founded in 1990, the ISA began as a home for independent schools seeking meaningful Saturday sport. What started as a bold idea is now a thriving network built on unity, growth, and lasting tradition.
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News

More news
April 12, 2026

2026 ISA Representative – Boys Basketball

Representative Season Wrap‑Up The 2026 ISA Representative Boys Basketball season has come to a close, marking another st…
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April 8, 2026

2026 ISA Representative – Water Polo

Our ISA Water Polo team proudly represented our member schools at the 18&U Water Polo NSWCIS Trials, held on Wednesd…
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March 23, 2026

2026 ISA Carnival – Swimming

The Independent Sporting Association (ISA) proudly hosted its 36th ISA Swimming Carnival on Tuesday, 17 March, bringing …
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Our Member Schools

The ISA is proud to partner with a diverse group of schools across New South Wales, united by a shared commitment to sportsmanship, development, and community. Each member school plays an important role in shaping the spirit and success of ISA competitions.

Barker College
Blue Mountains Grammar School
Central Coast Grammar School
Chevalier College
Cranbrook School
Kinross Wolaroi School
Oakhill College
Oxley College
Redlands
Scots All Saints College
Snowy Mountains Grammar School
St Andrew’s Cathedral School
St Augustine’s College
St Gregory’s College
St Patrick’s College – Strathfield
St Paul’s Grammar School
St Pius X College
St Spyridon College
St Stanislaus’ College
Independent Sporting Association
Contact Info
Independent Sporting Association
Administration Contact Information
Phone: (02) 4302 9099
Address: PO Box 3466, Fountain Plaza, Erina NSW 2250
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