The full time equivalent (FTE) number of teaching assistants in state funded schools in England in each of the last 3 years is shown in the table 1 below.
Table 1: Teaching assistants in all state funded schools in England, 2014 to 2017
FTE number of teaching assistants
Difference in FTE from previous year
Percentage difference from previous year
Source: School Workforce Census
The School Workforce Census does not collect information on vacancies for teaching assistants.
The data above is taken from Table 2b of the publication, School Workforce in England 2017. This publication includes underlying data at school level and is available here: https://www.gov.uk/government/collections/statistics-school-workforce.