Catholic schools are the world's largest non government run school system
Are they more popular is some countries?
Catholicism arrived in Australia is 1755 and remained popular there.
Are all the kids who go there Catholic?
Catholic school
Catholic schools are parochial schools or education ministries of the Roman Catholic Church. , the Church operates the world's largest non-governmental school system. In 2016, the church supported 43,800 secondary schools, and 95,200 primary schools. Catholic schools participate in the evangelizing mission of the Church, integrating religious education as a core subject within their curriculum.
Background.
Irish immigration provides the main contribution to the increases in Catholic communities across the globe. The Irish immigration established the revival of Catholicism through movement to countries
were English and Scottish. By 1803, 2,086 convicts of Irish descent and majority being Catholics had been transported to Botany Bay.
Catholic schools are the largest group of non-government schools in Australia accounting for some 18% of institutions (1,705 of 9,529 as of 2009), compared to 11% for independent schools (1022). Catholic schools are those run by the diocesan Catholic Department of Education; some independent schools are owned and run by Catholic religious orders. In addition, there is at least one school operating