In maintained schools, the governing board is responsible for setting the length of the school day. You can set the school day as you see fit, as long as every school day has two sessions divided by a break. This is set out in Department for Education guidance on school attendance (page 15).
Usual process
It's a good idea to consult relevant parties:
It's helpful to consult with parents on any changes to the school day (see the DfE guidance). Changing the school day could alter their childcare or working arrangements, and consulting shows you're being considerate of their needs.
The principal education welfare officer at Haringey Council recommended that you consult parents and explain the proposed changes and the reasoning behind them.
Think about who else might be affected by changes you make to the school day. It's a good idea to give them a chance to contribute to your plans. For example, you could talk to:
Give half a term's notice
Give parents a minimum of half a term’s notice before adjusting the timing of the school day. This will give them enough time to discuss it with you if they wish, and sort out childcare or working arrangements if necessary.
Consultation template and examples
A good way of consulting is to send a letter setting out:
Usually this letter is sent by the headteacher, but could be from governors if you prefer.
Example: Secondary academy in Cumbria
Workington Academy ran a consultation for parents and carers on changing the finish time of the school day. Its letter explains:
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