The national day of strikes has led to school closures across the Royal Borough of Windsor and Maidenhead today.
The strike by the National Union of Teachers (NUT) mean that 28 borough schools are affected, with seven completely closed.
Windsor and Maidenhead NUT president Daniel Thompson said: "We're sorry that some parents had to take the day off to look after their children but there's an awful lot of support from the general public for what we are doing."
The religious studies teacher at Desborough School in Maidenhead added: "If you don't value teachers, then you don't value the pupils they teach. We're hoping to make it clear as NUT teachers - that we are not going to roll over and take this."
Dozens of teachers from across the borough attended a rally at the Thames Hotel, Ray Mead Road in Maidenhead to hear speeches.
Fiona Smith, head of RE at Trevelyan Middle School, in Wood Close, Windsor, said: "We want to be in school, we don't want to be on strike." After being a teacher for 32 years, without taking any career breaks, she said the government is 'suddenly changing the goal posts.'
Teachers Geraldine O'Donoghue and Saroj Mistry, part of the borough's ethnic minority achievement service, were also showing their support. Geraldine said: "We didn't create the problem and the people who did aren't the ones paying for it."
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The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.