 GPS Old Boys claims to be one of the oldest rugby clubs in Australia, and traces its heritage back to a Past & Present Grammar club formed in 1887.The Past & Present Grammar Club fielded teams made up of teachers, students, and some past students of the Brisbane Grammar School through to 1890.At a meeting of the Old Boys on Thursday 5 March 1891, it was decided to form a Club composed of past members of the Brisbane Grammar School.