Teachers are 1 measurement person to going connected onslaught aft rejecting a 5% wage emergence offer.
The largest national for England and Wales, the NEU, said 86% of its members who responded to an archetypal ballot said they were consenting to strike.
A smaller union, NASUWT, has besides launched a ceremonial onslaught ballot.
Both unions person antecedently said the government's connection failed to recognise the unit connected teachers during the cost-of-living crisis.
The starting wage for teachers successful England is owed to emergence to £30,000 a twelvemonth by September 2023, arsenic portion of a committedness that was made during the 2019 predetermination but got delayed by the pandemic.
The wage of much experienced teachers successful England - who marque up astir of the workforce - has seen the biggest compression implicit the past decade.
Before the latest rises successful vigor and nutrient costs, the wage of experienced teachers fell by 8% successful existent presumption betwixt 2007 and 2021, according to the Institute for Fiscal Studies.