Mary Bousted, the Association of Teachers and Lecturers general secretary, said Miliband's response to the strike was "a disgrace".
Rosemary Rainey, Press officer for the Association of Teachers and Lecturers, said: 'There is growing evidence of a gang mentality among the young.
The name was changed in 1993 to the Association of Teachers and Lecturers (ATL).
And the Association of Teachers and Lecturers has confirmed that it has signed the "heads of agreement" with the government over pension.
Association of Teachers and Lecturers.
The Association of Teachers and Lecturers says more needs to be done to help all teenagers get the most out of school.
The Association of Teachers and Lecturers labelled Chalk as "perverse" and "vapid", and its leader called upon the show to be axed.
In 2013 a survey of 552 staff for the Association of Teachers and Lecturers found that just over half those questioned said their school provided a breakfast club.
The majority of members of the Association of Teachers and Lecturers have voted to take industrial action over their workload.
The Association of Teachers and Lecturers called on ministers to recognise the damage done to children's education by the lack of a stable home life.