The adult literacy rate in Australia is 99%. Government spending on education is 4.5% of GDP. Australia's education index is 0.927 – formal education levels are high, secondary education is standard for most of the population; Higher education is highly available and widespread due to the fact that graduates are in economic demand, and in many of these countries higher education is also becoming a default option. The people of Australia speak the English language.
English language
In Australia, about 1% of the population or 17,357,833 people speak English. 15,013,965 of Australia's population call English their first language. 2,343,868 of Australia's population speak English as a foreign or second language.
http://www.confiduss.com/en/jurisdictions/australia/demographics/education/