Almost one in six headteachers quit their jobs and leave the state schools system after just five years, shocking figures show.
Teaching unions last night warned the government’s failure to pay staff properly was fuelling an exodus from the classrooms.
Teachers who are members of the NEU will walk out on Wednesday on what is set to be the biggest day of strikes in a decade.
Up to half-a-million public sectors are expected to take part in industrial action that will also involve train drivers, civil servants, university lecturers, bus drivers and security guards.
The NAHT, which represents school leaders, today warns that many headteachers are leaving their jobs after a few years instead of remaining in post for decades as previously.
