Similar associations exist in New South Wales (AAGPS) and Victoria (APS).

St. Laurence's College was forced to leave the GPS in the 1920s because it did not have a cricket pitch and a football oval.

[4] Notes The schools have competed in an annual Head of the River rowing championship since 1918.

Students then rehearse for a final concert which, in 2019, was held in the Queensland Performing Arts Centre (QPAC).

Additionally, there was previously GPS Shooting which got removed because of safety hazards.

Toowoomba Grammar School had very many premierships in the time it was a GPS competition.

When the GPS allowed you to enter 3 teams, Toowoomba Grammar School won 1st, 2nd and 3rd.