Is your child's teacher going on strike? What are your rights at work if you take time off for childcare?
https://www.jacksonlees.co.uk/your-childs-teacher-going-strike-what-are-your-rights-work-if-you-take-time-childcare
If you are affected due to your children’s school being closed you do have a statutory right as an employee to take unpaid time off to look after your child.