The head of the NASUWT teachers' union, Chris Keates, has accused the Education Secretary Michael Gove of “recklessly pursued a relentless attack on the profession".
He called on Mr Gove to respond to the union's "reasonable demands" in order to avoid "widespread disruption in schools" this summer.
NUT head Christine Blower warned that the pensions situation and increased workload is "making teaching an unsustainable option for many".
The two largest teaching unions, NUT and NASUWT, have announced a series of industrial actions in response to their dispute with the government over pay, pensions and workload.
The actions include:
- National rallies across England and Wales in April and May
- National strikes starting in the North West on June 27
If the Education Secretary does not "respond positively to the unions’ demands" there is also a chance of further strike action in the Autumn term, including a one-day nationwide strike.
Teachers in England are to stage a series of strikes in the summer, the National Union of Teachers and the NASUWT announced today.
The strikes are part of a continuing row over pay, pensions and workload.