First, you should attach the chart or the table by using the feature "Attach file(s)" together with your response to IELTS Task1 if you wish to earn better feed backs. Do it next time!
The chart demonstrates the proportion ofteachers of 2 sexes in 6 different types of educational setting in England in 2010.
... I prefer if you said;
"the male and female teachers" instead of saying "teachers of 2 sexs"
As can be seen from the chart,
... Since this is a report, keep your writing very concise and short;
As per the chart / According to the chart
Nothing wrong with your structure :)