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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.

View all Athletics Australian Football Baseball Basketball Bowls Cricket Cross Country Diving Football Golf Hockey Netball Rugby 7s Rugby League Rugby Union Softball Student Officials Swimming Tennis Touch Football Triathlon and Aquathlon Volleyball Water Polo
Water Polo
Wed
18
Mar 2026

Secondary Boys 18&U Water Polo Trials

Knox Grammar School, 2 Borambil St, Wahroonga NSW 2076, Australia
8:30 am – 2:15 pm
Details
Wed
18
Mar 2026

ISA 18&U Representative Boys and Girls Touch Football Nominations Due

Details
Wed
18
Mar 2026

ISA 15&U Representative Boys and Girls Touch Football Nominations Due

Details
Basketball
Thu
19
Mar 2026

Boys 19&U Representative Basketball Fixture – ISA vs AAGPS

Oakhill College, 423/513 Old Northern Rd, Castle Hill NSW 2154, Australia
5:00 pm – 9:00 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
March 10, 2026

2025/26 ISA Summer Season Finals

Boys and Girls Basketball The ISA Basketball season reached its spectacular conclusion over two consecutive Saturdays, w…
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March 3, 2026

2026 ISA Representative – Cricket

Boys – 19 Years & Under – Association Fixtures ISA v AAGPS at St Pius X College playing fields Oxford Fa…
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December 1, 2025

Honouring Dedication: 2025 ISA Staff Awards & End-of-Year Celebration

The Independent Sporting Association (ISA) held the 2025 edition of the Annual Dinner and Awards Evening at the beautifu…
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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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