69传媒

School & District Management

It鈥檚 Not Too Early to Plan for Summer: How 69传媒 Can Prepare for Extreme Heat

By Madeline Will 鈥 January 03, 2024 5 min read
Conceptual of kids running at school, infrared thermal treatment.
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It may be cold outside now, but summer is coming.

2023 was for the Earth, with extremely warm temperatures starting in the spring and stretching into the fall in many U.S. cities. Experts say that 2024 might get even hotter, due to the effects of climate change.

Yet many schools are ill-equipped for such temperatures, causing them to close, dismiss early, or shift to virtual classes during a heat wave. Aging school buildings don鈥檛 all have air-conditioning, especially units that can handle particularly hot days.

But there are infrastructure changes that schools can鈥攁nd should鈥攎ake to better prepare their communities for hotter days ahead, experts said . It was hosted by the Luskin Center for Innovation, a University of California Los Angeles-based group researching environmental challenges; Ten Strands, a nonprofit for environmental literacy in California; and UndauntedK12, a national nonprofit that focuses on schools鈥 response to climate change.

鈥淔or some students, school might be the only time where they get a chance to cool off during the day,鈥 said Kelly Turner, an associate professor of urban planning and geography at UCLA and the associate director of the Luskin Center for Innovation, during the webinar.

And research shows that students learn less and perform worse on tests in hot classrooms. Heat can also affect children鈥檚 physical and emotional well-being.

Here are four things school district officials can do to make sure their campuses can withstand extreme temperatures.

1. Cool down classrooms

Ideally, Turner said, the temperature in classrooms should be under 80 degrees.

Cooling equipment, like air conditioning or energy-efficient heat pumps, can help. Past research suggests that anywhere between one-third and one-half of U.S. classrooms don鈥檛 have adequate鈥攐r any鈥攁ir conditioning.

See also

With only open windows and fans to cool the room down, students enter their non-air-conditioned classroom at Campbell High School in Ewa, Hawaii, on Aug. 3, 2015. Most of Hawaii's public schools don't have air conditioning, and record-high temperatures have left teachers and students saying they can't focus because of the heat. Hawaii lawmakers are saying it's time to cool Hawaii's public schools. A proposal being considered by the House Committee of Finance would fund air conditioning for Hawaii Department of Education schools and expedite the process to get cooling systems installed in classrooms.
Only open windows and fans cooled the room as students arrived at Campbell High School in Ewa, Hawaii, in August, 2015. Most of Hawaii's public schools don't have air conditioning, even as research shows that heat can depress student learning.
Marco Garcia/AP

But design features of the building can also cool down classrooms. For instance, absorb less solar energy than conventional roofs, lowering the temperature of the building. White roofing products stay coolest in the sun.

Adding insulation or double-paned windows to the school buildings can also help keep temperatures stable, Turner said.

2. Add shade to schoolyards

鈥淥n hot sunny days, schoolyard surfaces can get really, really hot,鈥 Turner said. 鈥淕rass gets hot, but asphalt gets hotter.鈥

If the temperature outside is 92 degrees Fahrenheit, the surface temperature for grass is 95 degrees, asphalt is 149 degrees, and a rubber mat鈥攕ometimes used as flooring for playgrounds鈥攊s 165 degrees. The asphalt and rubber get so hot, they can burn skin.

And there are other health risks involved with playing outside in the heat: Children can become dehydrated and be at risk for heat exhaustion or heat stroke.

But the answer shouldn鈥檛 be to keep students inside all day, Turner said: 鈥淐hildren need time outside to support their learning inside, and they need it for their well-being.鈥

Instead, she recommends that schools shade their outdoor spaces, which can significantly cool down hot surfaces.

Trees, of course, can provide shade cover, as well as other environmental benefits, but they require maintenance and time to grow. Shade sails are inexpensive, immediate, and can shade large areas, but schools might need to acquire permits and navigate state codebefore installing them.

Long term, districts should consider designing school buildings with multiple stories, courtyards, and other features that can block the sun from schoolyards, Turner said.

鈥淏uildings are actually one of the most efficient ways to provide shade,鈥 she said.

And, 鈥渙ne of the important things to do is to reconsider how we design our playtime for children,鈥 Turner said. 鈥淲e have designed ... really asphalt-heavy systems based on an asphalt-heavy definition of play鈥攖hings like basketball or handball.鈥

But a green, nature-based schoolyard can offer alternative ways of play, while staying cooler, she said.

3. Plan ahead

School staff should establish guidelines for extreme heat to protect both students and employees, Turner said. This could include an emergency heat plan, with temperature thresholds specifying when outdoor activities should be modified or canceled.

鈥淭here鈥檚 only so much you can do with things like shading at a certain point, especially under climate change and extreme heat weather shifting further and further into the fall,鈥 she said.

District officials should also consider sharing an educational packet on heat-related risks and preventative actions with students and their guardians each year, Turner said.

Jonathan Klein, the co-founder and chief executive officer of UndauntedK12, said district leaders should also proactively plan for how they鈥檒l update school buildings and schoolyards to better withstand extreme temperatures.

鈥淎 major part of how we will achieve these goals is through end-of-life replacements,鈥 he said. 鈥淲e鈥檙e not going to have all the money up front, but when it鈥檚 time to replace a machine, we need to make a good decision.鈥

4. Take advantage of federal funding

In summer 2022, Congress passed the sweeping Inflation Reduction Act, which invests in clean energy and climate mitigation and resilience. The law opened up significant sources of funding for school districts to upgrade their energy systems.

The package includes a direct pay provision鈥攕chools can get reimbursed in cash for installing clean energy on their campuses.

See also

Photo of excavator by new high school.
iStock / Getty Images Plus

The law 鈥渟upports a powerful quintet of clean energy technology that we should be deploying in all of our schools,鈥 said Sara Ross, the co-founder of UndauntedK12, during the webinar.

The package will defray the cost of these five technologies: heat pumps that cool buildings, solar panels, solar energy storage, electric school buses, and electric vehicle charging equipment.

The funding is unlimited, noncompetitive, and available until 2033 (even later for the heat pumps), Ross said.

鈥淲e can build a strategy for how to maximize these federal dollars to really improve our school buildings,鈥 she said.

There has been one stumbling block in California, however. The California Public Utilities Commission recently reduced the financial incentives of solar panels for schools, owners of apartment buildings, and businesses.

69传媒 in the state will now have to pay more for solar energy, instead of saving money, Ross said, adding that California fumbled the potential impact of the federal legislation. UndauntedK-12 is exploring possible workarounds, including a potential carveout for schools.

The experts on the webinar recommended that district officials partner with local and state officials to navigate potential funding sources, as well as plans for revamping infrastructure.

Turner and others at the Luskin Center also released a , with resources on protecting students from extreme heat.

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