Education leaders are calling for schools to be better adapted to extreme heat, including building retrofits and changes to exam timetables, as high temperatures put pressure on students and teachers. The Guardian’s education coverage on October 11 reported that a teaching union leader had suggested earlier start times and longer summer breaks may be needed to protect learning during periods of severe heat. The debate reflects a wider challenge for education systems: school calendars and buildings were often designed around climate conditions that are becoming less predictable.
Why heat can disrupt learning
High classroom temperatures can make it difficult for students to concentrate, sleep well and remain comfortable through a full school day. Teachers may also find it harder to deliver lessons when rooms are hot and ventilation is poor. The effects can be more serious for younger children, people with certain health conditions and students who travel long distances or spend time outdoors.
Heat can affect more than comfort. When students are exhausted or dehydrated, they may struggle to focus on complex tasks and retain information. Examinations are particularly sensitive because they require sustained attention under time pressure. Schools need plans that protect wellbeing without creating unnecessary disruption to the academic calendar.
Retrofitting school buildings
Retrofitting can include external shading, improved insulation, better ventilation, reflective roofing, tree cover and efficient cooling systems where appropriate. The right measures depend on local climate, building design, energy supply and budget. A school in a hot, humid area may need different solutions from one facing dry heat or large day-to-night temperature changes.
Building improvements can be expensive, so education authorities may need to prioritise the most vulnerable schools first. Useful assessments include classroom temperature, roof condition, ventilation, electricity reliability and the availability of shaded outdoor areas. Maintenance plans should also account for the cost of operating and repairing equipment over time, rather than focusing only on installation.
Could exam schedules change?
Earlier school start times may help avoid the hottest part of the day in some locations, while longer summer breaks could reduce exposure during peak temperatures. However, timetable changes can affect parents’ work schedules, transport, childcare and the availability of school meals. They may also have different consequences for students who rely on school as a safe and cool place during the day.
Exam scheduling requires coordination across schools, examination boards and universities. Moving an exam may create conflicts with other assessments or admissions deadlines. Any change should be communicated early, applied fairly and supported by clear contingency rules for students who are affected by heat-related illness or transport disruption.
Equity matters in climate adaptation
Not all students have access to air-conditioned homes, quiet study spaces or reliable internet. If schools close during heat events and lessons move online, disadvantaged learners may lose more learning time than peers who have strong home resources. Authorities should consider access to devices, electricity, connectivity and safe community spaces when designing heat policies.
Students with disabilities and health needs may require individual arrangements. Schools can work with families and health professionals to identify practical supports, while maintaining privacy and avoiding unnecessary disclosure of personal information. Clear rules help teachers respond consistently when a student becomes unwell.
Teachers and school staff need protection too
Teachers, support staff, kitchen workers and maintenance teams can be exposed to high temperatures throughout the day. Workplaces need access to water, breaks, suitable ventilation and clear procedures for suspending outdoor activities when conditions become unsafe. Staff input is valuable because they often know which classrooms and facilities become hottest and which changes are realistic.
Training can help staff recognise signs of heat illness and know how to respond. School leaders should ensure that emergency plans are practical and that responsibilities are clear. These measures do not replace professional medical advice, but they can support safer school operations.
Climate adaptation and education budgets
Education budgets are already expected to cover staffing, learning materials, digital infrastructure and building maintenance. Climate adaptation adds another demand. Authorities may need to combine education funding with local infrastructure programmes or climate-resilience funds, where available. Long-term planning can be more cost-effective than repeatedly repairing buildings after extreme weather.
Schools can also teach climate literacy through science, geography and civic education. Students can learn how heat affects health, energy use and urban planning, while examining evidence and local solutions. This should be approached through accurate science and practical problem-solving rather than political slogans.
What families and schools can do now
Families should follow school notices about schedule changes, hydration and outdoor activities. Students can carry water where permitted, wear appropriate clothing and tell a trusted adult if they feel unwell. Schools should use local weather guidance to make decisions and communicate them through channels families can access.
Longer-term improvements require data and consultation. Authorities can track classroom temperatures, attendance, heat-related incidents and learning disruptions to identify where investment is most needed. They should also evaluate whether a retrofit actually improves conditions and whether the benefits reach students who face the greatest risks.
Preparing education systems for hotter years
There is no single solution for every school, but adaptation can combine building design, timetable flexibility, health guidance and support for vulnerable students. Decisions should be based on local conditions and developed with teachers, families and students. When policies are explained clearly and implemented fairly, schools can protect learning while responding to a changing climate.
The current debate is a reminder that safe learning environments are part of educational quality. Schools need buildings and schedules that allow students to learn effectively, even when weather conditions become more extreme. Investment made before the next heatwave can reduce disruption and protect wellbeing over the long term.
Source: The Guardian: Education coverage, October 11, 2026.
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