The bar chart compares how large primary schools are in four Australian states namely New South Wales, South Australia, Australia Capital Territory, and Western Australia in 2010.
Overall, classes containing 20 to 25 students were by far the most popular size of classes among four states, as opposed to over-30-student classes. Notably, class distribution in Australia Capital Territory showed great differences throughout the period.
Regarding New South Wales and South Australia, the figures for classes having 20 or less than 20 students in New South Wales stood at 26%, which was 10% lower than that for those in South Australia. In addition, the percentage of 21-to-30-student classes in New South Wales experienced 37% and 33% respectively, which were higher than that in South Australia with the figures being recorded at 33% and 28% consecutively.
Moving to the remaining states, in Australia Capital Territory, there were 38% of the proportion for under-20-student classes, followed by 26% in Western Australia. The statistics for classes accommodating 21 to 25 students in Australia Capital Territory account for a noticeable 51% compared to 42% in Western Australia. Furthermore, a reverse pattern can be seen in 26-to-30-student classes in both states. While the value for Australia Capital Territory was 10%, which was two times lower than that for Western Australia. Likewise, the former witnessed a mere 1% in the figures for over-30-student classes, the latter was fivefold higher.