This latest poll comes amid a major overhaul by the Government of teachers' salaries, which will see pay linked to performance in the classroom.
Under the reforms, due to come into effect from this autumn, in the first five years of a teachers' career, increases to their salary will be tied to how successful they are at their job, rather than their length of service.
The move has been opposed by a number of teaching unions as this type of performance-related pay is already in place for more experienced teachers.
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The figure is up from £42.3 million in 2014/15 and £56.9 million 2015/16, according to the research.
A study by Which? looked at the work done by councils across the country.
Harry first visited the African country in 2004 on a gap year.