IGSSA is comprised of 10 Independent Girls’ Schools in South Australia – Concordia, Immanuel, Pembroke, Pulteney, St Peters Girls, Scotch, Seymour, Walford, Westminster and Wilderness.
The IGSSA Athletics carnival is held in Term 3 each year. Taking place at the SA Athletics Stadium, Mile End, the event is always a highlight of the IGSSA Sporting year. Many of South Australia's top female track and field stars have competed in this carnival during their school years.