Whose responsibility is it?
In maintained schools, the governing board is responsible for setting the length of the school day. This was confirmed to us by the DfE.
In academies, the trust board sets the length of the school day, under advice from the headteacher (see page 118 of the Governance Handbook).
There's no formal process
There's no specific process you need to follow if you want to alter your school day. You don't need to notify the DfE or hold a formal consultation. The DfE confirmed this to us.
Consider taking the following steps:
This process applies