range across the full spectrum of health services, representing about 10% of the health sector and employing 35,000 people. Catholic religious orders founded many of Australia's hospitals. Irish Sisters of Charity arrived in Sydney in 1838 and established St Vincent's Hospital, Sydney in 1857 as a free hospital for the poor. The Sisters went on to found hospitals, hospices, research institutes and aged care facilities in Victoria, Queensland and Tasmania. At St Vincent's they trained leading surgeon Victor Chang and opened Australia's first AIDS clinic. In the 21st century, with more and more lay people involved in management, the sisters began collaborating with Sisters of Mercy Hospitals in Melbourne and Sydney. Jointly the group operates four public hospitals; seven private hospitals and 10 aged care facilities. The English Sisters of the Little Company of Mary arrived in 1885 and have since established public and private hospitals, retirement living and residential aged care, community care and comprehensive palliative care in New South Wales, the ACT, Victoria, Tasmania, South Australia and the Northern Territory. The Little Sisters of the Poor, who follow the charism of Saint Jeanne Jugan to 'offer hospitality to the needy aged' arrived in Melbourne in 1884 and now operate four aged care homes in Australia. An example of a Christian Welfare agency is ADRA (Adventist Development and Relief Agency). This welfare agency is an internationally recognized agency run by the Seventh-day Adventist Church. ADRA is operational in more than 120 countries, around the world, providing relief and development, where ever needed. Within Australia they provide shelter, relief, and services to those in need. They have numerous refuges set up those suffering abuse, as well as shelters for those in need. As well many other things such as food distribution, op-shops etc. The Reverend John Flynn, a minister of the Presbyterian Church founded what was to become the Royal Flying Doctor Service in 1928 in Cloncurry, Queensland, to bring health services to the isolated communities of the Australian The Bush. Education There are substantial networks of Christian schools associated with the Christian churches and also some that operate as parachurch organisations. The Catholic education system is the second biggest sector after government schools and has more than 730,000 students and around 21 per cent of all secondary school enrolments. The Catholic Church has established primary, secondary and tertiary educational institutions in Australia. The Anglican Church has around 145 schools