Keith Porteous Wood, director of the NSS, said: "The statutory protections on which the jobs of hundreds of thousands of non-religious teaching and support staff depend will be clandestinely removed when they transfer to academies.
In 1924 he transferred the academy to Paris and founded there a journal, Put (1925 40; "The Way"), in which he criticized Russian communism.
Its first target was to allow all schools ranked as "outstanding" by Ofsted, the education standards watchdog, to transfer to academy status.
"Schools requiring improvement will be compulsorily transferred to the academies sector.
In his first keynote speech on education during the current "phoney" election period, Mr Cameron indicated that up to 3,500 schools that rated as "requiring improvement" or "inadequate" by Ofsted would be transferred to the academies sector.
On Thursday, the league also granted special eligibility to Pittsburgh receiver Larry Fitzgerald, a sophomore who attended a military academy after transferring from a Minneapolis high school midway through his senior year.
Councils are surprised, furious, and anxious – about the legal complexities of transferring land to the new academies, the loss of their schools improvement programmes, the uncertainty surrounding the future of their residual obligations for school transport and special educational needs.
At the end of his first semester, he announced that he was transferring to a national military academy, a decision that made headlines.
Gove's ambition for all schools to become academies started the transfer of the nation's schools from local authority to ministerial supervision.
This is partially a reflection of the fact that local authorities now have fewer duties towards schools, with some funding having been "transferred" from local authorities to academies.
