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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
Tue
17
Feb 2026

ISA Boys 19&U Representative Basketball Trials

Penrith Valley Regional Sports Centre, 30 Herbert St, Cambridge Park NSW 2747, Australia
10:00 am – 2:00 pm
Details
Basketball
Tue
17
Feb 2026

ISA Boys 16&U Representative Basketball Trials

Penrith Valley Regional Sports Centre, 30 Herbert St, Cambridge Park NSW 2747, Australia
10:00 am – 4:00 pm
Details
Baseball
Tue
17
Feb 2026

Secondary 18&U Baseball Trials

ELS Hall Park, 109A Kent Rd, North Ryde NSW 2113, Australia
10:00 am – 2:30 pm
Details
Rugby Union
Wed
18
Feb 2026

ISA Heads of Sport Meeting – Term 1

St Andrew’s Cathedral School, Sydney Square, 474 Kent St, Sydney NSW 2000, 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
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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September 29, 2025

2025 ISA Representative – NSWCIS Athletics Championships

The ISA Athletics team made a strong impact at the NSWCIS Athletics Championships, held on Tuesday 24 September at the S…
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September 19, 2025

2025 ISA Athletics Carnival

The ISA community came together on Tuesday 16 September for the 33rd ISA Athletics Carnival, with athletes from our memb…
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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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