Historical rankings of Prime Ministers of Australia teaching or researching in the fields of Australian politics or history" to place Australia's prime ministers in five categories; 40 responded. Five points were awarded to prime ministers judged "outstanding", four for those considered "good", three for "average", two for "below average", and one for "failure". The three caretaker prime ministers were excluded from consideration, as was the serving prime minister, Julia Gillard. John Curtin received the highest average rating, 4.78, and he was the only prime minister who no respondents gave a rating lower than "good". It is possible to compare the highest approval ratings achieved by Prime Ministers
Julia Gillard Tertiary Education Quality and Standards Agency would also be introduced early 2011. The Rudd Labor opposition promised to implement an emissions trading scheme (ETS) before the 2007 federal election which Labor won. Rudd, unable to secure support for his scheme in the Senate, dropped it. During his 2012 leadership challenge against Gillard's prime ministership, Rudd said that it was Gillard and Swan who convinced him to delay his Emissions Trading Scheme. In the 2010 election campaign, Gillard pledged to build a "national consensus" for a carbon price by creating a "citizens assembly", to examine "the evidence on climate change, the