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".
More top news
MSPs are expected to back Nicola Sturgeon's call for a second independence referendum in a vote at Holyrood on Tuesday.
Adele has said she may never tour again after saying she was "not good" at it and she feels "vulnerable" on stage.
British Cycling's Dr Freeman has told MPs that the controversial jiffy bag delivered to him in France contained only a common decongestant