The pie charts give information about the class sizes in Australian primary schools in four different states in 2010. Units are measured in percentages.
Overall, classes with 21-25 students had the highest figures, with the exception of South Australia, making up the largest share in each state, while classes with 30 or more students had the lowest figures in all states. Notably, in most states, classes with 26-30 students came in second place.
As for the figures of South and Western Australia, classes with 21-25 students were highly prevalent in both, accounting for 33% and 42%, respectively. While classes with 26-30 students in both states made up almost 30%, classes with 20 students or fewer were the highest percentage in South Australia, constituting 35%, and Western Australia accounted for almost a quarter. In contrast, classes with 30 students or more made up the lowest share in both states, at 4% (South) and 5% (Western Australia).
Turning the focus to the remaining states, the Australian Capital Territory accounted for by far the most significant share of classes with 21-25 students, at 51%, while classes with 20 students or fewer made up two-fifths (38%). While classes with 26-30 students made up 10%, the least share was seen in classes with 30 students or more, at 1%. Meanwhile, for New South Wales, classes with 21-25 and 26-30 students constituted 37% and 33%, respectively. While classes with 20 or fewer students constituted 26%, the most insignificant share was made by classes with 30 students or more.