Teachers across Hyndburn were today staging a one-day walkout in the first of a new wave of strikes over pay, pensions and conditions.
Members of the National Union of Teachers (NUT) and NASUWT are taking part in industrial action across the North West of England.
It means thousands of school children will be forced to stay at home for the day as a result of the disruption.
Full school closures have been confirmed at The Hollins, Rhyddings Business and Enterprise School, Mount Carmel High School, Fairfield Nursery, St John's Stonefold, St Mary Magdalen's CE Primary School, Accrington, Broadfield Specialist School and St Mary's RC Primary School Oswaldtwistle.
Partial school closures have been announced at Mount Pleasant Primary School, Our Lady and St Hubert's Primary School, Spring Hill Primary School, Hyndburn Park Primary School, Huncoat Primary School and Green Haworth CE Primary School.
The Hollins in Accrington is one of the schools which will be closed due to the industrial action by teaching staff.
In a letter sent to parents headteacher Steve Campbell said the actions was a result of a trade dispute with the government over changes to pensions, workloads, pay and job losses.
He said: “There is no requirement on unions to inform us of which members of staff will take action, and there is no obligation on members of unions to obey a strike call.
“However, we have been given an indication of how many staff intend to withdraw their labour on that day.
“Neither the governing body nor the headteacher are legally allowed to close the school ‘in sympathy’ with the strike and we will not do so.
“However, our main concern is the health and safety of our pupils; having carefully considered the likely scenario for the given date it has been decided that it will not be possible to open the school to pupils.”
Bob Allonby, NUT secretary for Hyndburn, said he expects the majority of members to go on strike.
He said: “The two unions make up over 90 per cent of the teaching workforce and we are expecting the majority of them to be out on strike.”
A rally was due to take place today in Preston at 11.15am.