Introduced in 2004, the AJ Rae Shield is named after the influential AJ (Tony) Rae OAM, who was Headmaster at Newington from 1972 – 1993, having also served as a Trinity Grammar School Housemaster and Senior Master between 1964 and 1968 and who sadly passed away in 2000. Since its inception, the Shield has been contested on an aggregate basis in rugby and football on ten occasions, with Newington winning seven times and Trinity taking the honours on three occasions. The 2013 fixture between the two school was always going to have a little extra value with Newington celebrating its Sesquicentenary and Trinity Grammar their Centenary.

This traditional day features the 1sts and 2nds team from football and rugby and the A teams from the U13 to U16 age groups playing against each other.  The fixture also included two volleyball games. The winner of the AJ Rae Shield is the school which accumulates the most points across the sports. 2013 saw Newington retain the Shield with strong displays by all boys in the sports. A highlight of the day was the 1st XV playing their games as the curtain raiser at ANZ Stadium to the NSW Waratahs and Queensland Reds game. The 1st XV, like the Newington 1st XI, ran out convincing winners. The 1st XI won 6-2 and the 1st XV 36-15. All Newington teams are to be congratulated on their efforts to play attacking rugby and football and the sportsmanship displayed.