NUT union members at Bluecoat School in Coventry struck on Thursday of last week against attacks on working conditions.
There was a great turnout on the picket line and lots of support from members of other trade unions, parents and pupils. Workers were set to strike again on Thursday of this week.
Teachers at Winterbourne International Academy in South Gloucestershire were set to strike on Thursday of this week.
The NUT and NASUWT unions have said workers could take up to six days of strikes after a “breakdown in relations” between teachers and bosses.
Workers say that new boss Beverley Martin has blamed them for a poor Ofsted watchdog rating and that they face worse conditions.
A day of action has been called in defence of English for Speakers of Other Languages (Esol) for Wednesday of next week.