The given pie chart illustrate the size of classes in primary schools in four Australian areas since 2010
Overall, it can be seen that classes having 21-25 students had the most common in four states in Australia. In contrast, classrooms with more than 30 students were the least of the proption among all areas.
Looking at the percentage of schoolrooms with 21-25 students in four regions, the class size of 21-25 students had the largest percentage in 3 states ( Australia Capital Territory, Western Australia and New South Wales) , accounted for 51%, 42% and 37% respectively. On the contrary, the proportion of 20 students fewer had the highest rate with 36%, followed by that of 21-25 pupils took up 33% in South America. Compared to this scale, the second highest percentage of 21-25 students was Australia Capital Territory with 38%.Besides, both the New South Wales and Western Australia had the same figures of class with 20 students or fewer, at 26%.
In terms of the schoolroom size for 26-30 students , that percentage in New South Wales took up 33% while the proportion of Australia Capital Territory was 10%. Additionally, the rate of 26-30 students in South Australia was slightly higher than that percent in Western Australia, 28% and 27% respectively. Lastly, both the New South Wales and South Australia had the same proportion of classes with 30 pupils or above, at just 4%. Moreover, Western Australia was the largerst percent of more than 30 students with 5% but the opposite was that rate in Australia Capital Territory, at just 1%.