You might like to look at the information for prospective governors on the Department for Education website:
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/937573/Maintained_governance_role_descriptors.pdf
Our board act in accordance with the code of conduct available here
The National Governance Association (NGA) is the membership organisation for governors, trustees and governance professionals of state schools in England. Visit there website https://www.nga.org.uk/Home.aspx to get more information on school governance