White paint, trees or air con? What parents and teachers can do to cool UK’s overheating schools

by | Jul 27, 2026 | Education

White paint, trees or air con? What parents and teachers can do to cool UK’s overheating schools

This summer brought widespread overheating in UK classrooms as repeated heatwaves forced numerous school closures and left students and staff struggling with unsafe conditions. The situation has prompted significant discussions among parents, teachers, and school governors about viable remedies for the problem.

Experts acknowledge that long-term solutions require government and local authority intervention to ensure schools can manage the effects of climate change. However, immediate steps are available to address current challenges. Parents are encouraged to initiate constructive conversations with school leadership rather than assuming inaction. Forming groups through parent-teacher associations can demonstrate the scope of concern. Schools should contact their local authorities, trusts, or sustainability teams for guidance and support in developing climate resilience strategies.

Before implementing costly interventions, schools must first conduct proper assessments to identify the specific causes of overheating, which may vary significantly between buildings. While direct sunlight drives overheating in homes, school overheating can stem from multiple factors including poor ventilation, restricted window operation, internal heat generation from student activity, or proximity to heat sources like boiler rooms. Rushing into air conditioning or other solutions without understanding root causes risks wasting limited budgets on inappropriately sized or positioned systems.

Outdoor measures such as tree planting and external shading often provide effective starting points by preventing heat entry rather than removing it after the fact. These interventions can simultaneously improve outdoor learning spaces and recreational areas. Increasingly, schools are incorporating cooling measures into broader refurbishment projects that deliver multiple benefits including enhanced security and reduced operating costs.

Funding remains a central challenge for implementation. Schools may access support through local authority programs, trust investments, or capital grants, with some leveraging developer contributions through section 106 agreements. While parent fundraising can support modest interventions like tree planting or white paint application, relying on this approach risks widening inequalities between well-resourced and disadvantaged schools already facing the greatest hardship from heat exposure.

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