The NASUWT later estimated that around 15,000 people had taken part in a march organised in London.
Today's strike action has been a great success and is an indication of the anger and concern that teachers share about the changes this Government is making to the profession.
Strike action does of course always come at a price and we are very well aware of the disruption this causes to parents' working lives as well as their children's education.
Michael Gove has demoralised an entire profession and today's action is a direct result of his and the Government's steadfast refusal to accept there are problems that need to be resolved.
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One of the youngest victims of the Grenfell Tower tragedy choked to death on fumes from the fire, an inquest heard.
It should remain dry through the evening with the best of any clearer intervals in the east.
Huge plumes of smoke could be seen for miles above the London skyline as two fires burned in Canary Wharf and a scrapyard in east London.