Schools are required by law to have a behaviour policy that outlines measures to prevent racist and other forms of bullying. The Department produces guidance for head teachers and school staff on developing school behaviour policy. The full guidance can be viewed at: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/488034/Behaviour_and_Discipline_in_Schools_-_A_guide_for_headteachers_and_School_Staff.pdf.
Under the Equalities Act 2010, schools are under a duty take steps to eliminate harassment, foster good relations, and advance equality of opportunity.
Ofsted considers how a school complies with its statutory duties and promotes equality of opportunity, and holds schools to account for racism or other behaviour issues.