The latest statistics on the average salaries of teachers employed by schools and local authorities in England are in Tables 8 and 9 of the ‘School Workforce in England: November 2014’ statistical release which was published in July 2015: https://www.gov.uk/government/statistics/school-workforce-in-england-november-2014
The latest available statistics on the average salaries of teaching assistants employed by schools and local authorities in England were published in PQ856 in June 2015 in Hansard at the following link:
The Department for Education’s pay reforms have given schools greater flexibility to decide how much to pay their teachers and how quickly their pay progresses over time.
Future average salaries of teachers will be informed by the annual recommendations of the School Teachers Pay Review Body; the pay of teaching assistants and school support staff are set by schools themselves. The department does not produce forecasts of future average pay for these staff.