sentences:  Such a development was already a priority of Liverpool Parish priest Father Roth Delaney and together they lobbied government and Catholic education office bearers while raising community support and funding for the school.Originally planned for Ashcroft, land negotiations lead to the final site location in Leacocks Lane, Casula.In 1987, All Saints Catholic Senior High School, was established by the Roman Catholic Archdiocese of Sydney and classes began in temporary demountable classrooms on 2 February 1987 on the site of St Mary's High and Patrician Brothers' High, Liverpool.