The three pie charts below show how the changes in annual spending by a particular UK schools in 1981, 1991, and 2001

The pie charts outline the distribution of expenditure in UK schools in 1981, 1991, and 2001 Overall, the data show that teacher salaries predominate over 20 years period, whilst insurance is the smallest cost in each year In 1981, teacher salaries represented 40% of the school budget. The figure rose to 50% in 1991 and […]