Bosses targeted John after he raised complaints about racism in the college.
The walkout this week follows four days of strikes to defend John.
He told Socialist Worker that the mood among workers is “solid”.
“I had a panel meeting last week and, rather than sacking me, I got a final written warning,” he said.
“We want the whole issue of gross misconduct to be dropped altogether.”
NEU union members in Greenwich, south east London, are voting on whether to strike to defend victimised union rep Kirstie Paton.
Staff at Leaways Special school in Hackney, east London, were set to strike on Tuesday and Wednesday this week.
They are fighting for students’ conditions and for the rights of teachers and support staff to organise. In addition two NEU union reps have been victimised and sacked. Staff struck on six days before Christmas.
Workers at Moulsecoomb primary school in Brighton were set to strike on Wednesday this week against it becoming an academy.
The action will involve NEU, Unison and GMB union members. In a ballot of parents run by the council, 96 percent voted against the move to an academy.
Voices of workers will be live-streamed by the NEU union between 6pm and 7pm, before a Twitter storm between 7pm and 8pm.
Use hashtags #FundEarlyYears and #SaveOurNurseries
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