The Supreme Court ruling on the legal definition of ‘Woman’ 

What are the implications for Independent Schools of the Supreme Court Ruling on the legal definition of ‘Woman’

The UK Supreme Court’s recent ruling on the legal definition of “woman” under the Equality Act 2010 (Equality Act) has significant implications for independent schools, particularly in relation to employment and education law. This decision, coupled with the draft guidance on gender-questioning children issued in December 2023, necessitates a careful review of school policies and practices.

Supreme Court ruling overview

On April 16, 2025, the UK Supreme Court unanimously ruled that the term “woman” in the Equality Act refers exclusively to biological females, excluding transgender women, even those with a Gender Recognition Certificate (GRC). This decision arose from a legal challenge concerning the inclusion of transgender women in women’s representation quotas on public boards in Scotland. The Court emphasised that sex-based rights and protections are intended for biologically defined groups, asserting that to include transgender individuals would render the Equality Act incoherent and unworkable.

Employment law implications

For independent schools, this ruling clarifies the legal framework surrounding sex-based rights in employment:

  • Single-sex facilities: schools can lawfully maintain single-sex facilities, such as toilets and changing rooms, based on biological sex. This may affect policies regarding access for transgender staff (and students – see below).
  • Recruitment and staffing: when sex is a genuine occupational requirement, schools can specify biological sex in job descriptions, provided this is proportionate and necessary.
  • Data collection and reporting: employment data, including equal pay audits and gender pay gap reporting, should reflect biological sex, aligning with the Court’s interpretation.

Education law implications

The ruling will also impact educational practices:

  • Admissions policies: single-sex schools may define their admissions criteria based on biological sex, potentially excluding transgender applicants whose legal gender differs from their biological sex. 
  • Curriculum and pastoral care: schools must balance the rights of all students, ensuring that policies and teaching materials respect the legal definitions while fostering an inclusive environment.
  • Single sex facilities: as above for staff, schools can lawfully maintain single sex facilities based on biological sex. 

Draft guidance on gender-questioning children

The Department for Education’s draft guidance, issued in December 2023, complements the Supreme Court’s ruling by emphasising a cautious approach to social transitioning in schools. Key points include:

  • Parental involvement: schools should involve parents in decisions regarding a child’s request to socially transition, except where this would pose a risk to the child. 
  • No general duty to facilitate social transition: schools are not obligated to accommodate requests for name or pronoun changes, and should consider the broader context, including the child’s age and the potential impact on the school community. 
  • Maintaining single-sex spaces: The guidance reinforces the importance of preserving single-sex spaces and activities, particularly where safety and fairness are concerns, such as in sports and overnight accommodations. 

You can access the draft guidance here – Gender Questioning Children Non-statutory guidance for schools and colleges in England

Political and regulatory outlook

While the draft guidance from the Department for Education remains non-statutory and subject to consultation, the Supreme Court’s ruling provides a legal foundation that may influence its finalisation and implementation. The Prime Minister has welcomed the clarity provided by the ruling, suggesting a potential alignment between legal interpretations and educational policies.

Recommendations for independent schools

In light of these developments, independent schools should:

  • Assess and update policies related to admissions, facilities, and employment to ensure compliance with the legal definitions established by the Supreme Court.
  • Communicate with staff, students, and parents about any policy changes, emphasising the school’s commitment to inclusivity and legal compliance.
  • Offer training for staff on the implications of the ruling and guidance, focusing on respectful communication and the rights of all individuals.
  • Stay informed about the finalisation of the draft guidance and any further legal interpretations that may affect school operations.

How can Moore Barlow help?

We would be delighted to help you update any policies or provisions following this recent ruling and to provide training to your staff.  Please reach out to your usual contact in our Independent Schools team.