The pie charts provide information about the proportions of classes size in primary schools in four Australian states in 2010.
Overall, the main size of classes in four states is 21-25 students, except South Australia which is 20 students or fewer. On the contrast, the least proportions is the size 20 students or more in all four states.
Smaller size of classes in primary schools is the majority in four states. The size 20 students or fewer play an important role, 26% for New South Wales, 36% for South Australia, 38% for Australia Capital Territory, 26% for Western Australia. The figures for size 21-25 students in these four states were 37%, 33%, 51%, 42% respectively.
While bigger size of classes in these schools is the minority.The size 26-30 students still takes a unignorable proportion, with 33% for New South Wales, 28% for South Australia, 10% for Australia Capital Territory, 27% for Western Australia.But the figures for size 30 students or more were just from 1% to 5% in these states.