The Athletic Association of the Great Public Schools of New South Wales (AAGPS) is a sporting association of boys' schools in New South Wales, Australia that contest sporting events among themselves.

[4] The Athletic Association of the Great Public Schools of New South Wales (AAGPS) was formed at a meeting held at Gunsler's Café, near Circular Quay, on 30 March 1892.

On 12 April, representatives from Sydney Grammar School, Newington College and Cooerwull Academy joined those who had attended the first meeting.

[1] Sydney High School applied for membership in March 1894, but were not accepted for admission until 14 February 1906.

It takes place annually in the first term at the Sydney International Regatta Centre.

The official football competition commenced in 1988 The official "plate" competition commenced in 2015 with all metropolitan schools competing for the 1st XI and 2nd XI GPS ‘Plate’ trophy.