Government reforms will leave teachers overworked and under-qualified, a striking teacher has told Daybreak.
History teacher John Boniface said reforms would be "attacks" on the "education they are going to be able to provide for children".
He criticised plans to allow teachers without a proper qualification to work in a classroom and not giving teachers enough time to plan lessons.
Hundreds of schools across London could be disrupted today as teachers stage further strike action in an ongoing dispute over pay, pensions and working conditions.
Organisers say 'the overwhelming majority' of teachers from two of England's biggest teaching unions, the NUT and NASUWT, are expected to rally in central London.
The first regional walkout took place in the North West on June 27th, and further strikes took place in East of England, the East Midlands, West Midlands and Yorkshire and Humberside on October 1st.
The Government says it is 'disappointed' at the decision to hold further industrial action.
Almost three-quarters of people are opposed to the teachers strike, according to the Department of Education
A spokeswoman said 70% of people were against industrial action or believed teachers should not be allowed to strike at all.
The teachers' unions argue their members are walking out because of cuts to their pay, higher pension contributions and poor working conditions.
Helen Tindale speaks out about the teachers' strike.
Thousands of teachers from London marched through the capital.
Schools minister Nick Gibb said: "The cost of the teachers' penson alone is forecast to rise...The teacher's pension is still one of the best available and nobody within 10 years of retirement will be affected by these reforms.
"But there do have to be reforms as people are living longer and as a consequence a defined benefit pension is very costly."
Thousands of teachers and lecturers have launched a 24-hour strike in the continuing bitter dispute over the Government's controversial public sector pension reforms, closing schools and disrupting lectures.
The action by members of the National Union of Teachers (NUT) and University and College Union (UCU) in London has hit over 60 higher and further education institutions and a number of schools.
Parents have been forced to make alternative childcare arrangements or work from home.
Health workers and other public sector staff across the country are staging protests and demonstrations amid continued opposition to the planned pension changes.