Healthy School Spaces and Weather: Heat, Air and Safety Guide

Maybe it started with a note home about a heat warning. Maybe your child says the classroom is stuffy again, or a flyer about a storm drill arrived with no details. You want to know what the school should do, and what to ask.

This guide follows that worry from start to finish. It covers hot days, sun, indoor air, classroom space, storm alerts and reporting a concern, with the question to ask and who answers it at each step.

The short answer: no school temperature cutoff or air quality limit is set in the material behind this guide, so ask your school whether it has a written plan and where these answers are recorded. The steps below show you how to get it.

Step 1: Find out what the school does on hot days

You are asking whether this heat means your child stays home. This guide does not decide whether your child should stay home or give a temperature for that decision.

What you can get is the school’s plan. Ask the principal or school nurse who decides when recess or PE moves indoors, and who watches for signs of heat stress in class. Ask for the answer in writing.

The outdoor activity in heat guide explains the roles, breaks and communication to ask about. Water access on hot days is covered in the school hydration routines guide.

Once you know the heat plan, the next question is how the building’s air is looked after.

Step 2: Check shade, sun and outdoor time

Recess, PE and arrival all add up to sun exposure during a school day. Shade is the question most families can act on.

A 2023 systematic review pooled 28 studies on students’ time in green or blue spaces. It found mixed evidence of benefits for attention, behavior and cognitive or academic performance, and noted wide differences in study methods. Green space is not the same as shade, so ask about each separately. For a checklist of family questions, see the sun safety family questions guide.

Outdoor time is one part of the day. The air students breathe indoors is the next part.

Step 3: Ask how the building’s air is cared for

A stuffy or musty room is easy to notice and hard to explain. Start by writing down the room, the time of day and what you or your child noticed.

No school air quality limit is set in this guide, and no outdoor air quality guideline is given here. Ask the school which ventilation and maintenance routine it follows, and who answers questions about it. For outdoor smoke, check your local air quality agency.

For a wider list of air questions, see the indoor air quality questions guide. If the concern is tap water, the drinking water test results guide lists questions to ask.

Once the air questions are on paper, look at the room itself.

Step 4: Look at the room itself

Many families ask how to make a classroom comfortable and active. The studies below look at room layout and movement, not weather, so use them as a guide to what to ask for.

The 2021 review found students in flexible rooms spent less time sitting and more time standing and moving. The 2024 review found positive changes in sitting and activity, and reported no harmful effects on those outcomes. Both are about the classroom, not heat.

SAMHSA lists a resource for elementary classrooms, Beyond the Screen: Creating Healthy, Engaged Elementary School Classrooms, which you can open to see what it covers. Noise and light shape the same room, and the noise at school guide and the lighting in learning spaces guide each start with a question you can take to the school.

Next, look at what happens when the weather turns.

Step 5: Plan for storms and emergency alerts

Ready.gov’s severe weather toolkit says to know what to do before, during and after severe weather. It also says to create a communications plan with your family before a storm hits. Ask the school how it will reach you on the same day.

The toolkit explains two terms you will see in alerts: a watch means severe weather is possible, and a warning means severe conditions have begun or will begin soon. It says Wireless Emergency Alerts are automatic texts sent in an emergency, and that no sign-up is required, as described on Ready.gov’s alerts page.

For flooded roads, the toolkit’s advice is Turn Around, Don’t Drown. Use it when you plan a drop-off or pick-up route on a rainy day.

When you have a concern about the building, write it down clearly.

Step 6: Report what you notice, in writing

A clear note gets a clearer answer. Say what you saw, where, and when. Keep it to facts you can describe.

Ask for a reply date and for the name of the person handling it. The family to school note guide shows how to word it. Keep your contact details current with the emergency contacts checklist.

If your child’s health needs are part of the concern, the next chapter explains the plan.

Step 7: If your child needs a plan at school

If a heat, sun or air concern affects your child’s health, ask the school nurse whether your child needs a written plan. Ask the school nurse who writes it, who reviews it and how staff get a copy.

The student care plan guide covers who receives and reviews a plan. After an absence, the after a student health absence guide lists questions for the return day.

Some of the questions you may have searched for fall outside this guide. Here is what to do with each.

Step 8: Get answers to the questions this page cannot settle

• Classroom management frameworks, such as the 5 C’s, and lists of classroom safety routines are not covered here. Ask your child’s teacher which written routines the classroom uses.
• Definitions of school climate or school culture are not set out here. Ask the school for its written definition and where it is published.
• A downloadable weather or heat chart (PDF) is not linked on this page. Ask your child’s school or child care program for its written weather plan.
• School zones and traffic: the vehicle idling near school guide covers drop-off and pick-up questions.
• Air quality numbers and the effects of poor ventilation are not given in this guide. Ask the school which standard its ventilation follows.
• Pest concerns: the pest management questions guide lists what to ask the school.

Your next step

1. Ask the school for its written heat plan, and who decides on hot days.
2. Ask where shade, water and indoor air routines are written down.
3. Ask how the school sends weather and emergency updates, and save those contacts.
4. Put any building concern in writing, with a date you need a reply by.
5. If your child needs a plan, ask the school nurse for it in writing.

Every guide on this topic

Heat, sun and water

• Outdoor Activity in Heat Guide
• Sun Safety: Shade and Outdoor Timing
• Sun Safety: Family Questions Guide
• School Hydration Routines Guide
• Extreme Heat at School Questions
• School Water Access Family and Staff Guide
• School Drinking Water Test Results Questions

Air, space and the building

• School Indoor Air Questions Guide
• Indoor Air Quality at School Questions
• Reporting a School Building Concern
• Noise at School Questions
• Lighting in Learning Spaces Questions
• Pest Management at School Questions
• Clean Hands and Shared Spaces Questions
• Wildfire Smoke at School Questions
• Vehicle Idling Near School Questions
• Movement During the School Day Guide

Storms and official notices

• School Health Guidance Changes Guide
• When Illness Spreads at School Guide
• Updating Emergency Contacts Checklist

Student health plans and returns

• Student Care Plans: Who Receives and Reviews
• Student Asthma Action Plan Guide
• Food Allergy Plans at School Guide
• Food Allergy Communication Questions
• School Lunch and Allergy Communication Guide
• Student Returns After Illness Guidance
• After a Student Health Absence Questions
• Student Health Referral Information Guide
• Student Wellbeing Referrals and Privacy Guide
• Returning to Learn After Concussion Guide
• Returning to School After Concussion Questions
• Recess After an Injury: Activity Limits Guide
• School Field Trips and Health Needs Checklist
• School Health Forms: Yearly Updates Guide
• Finding Old Childhood Medical Records Guide

School nurses and roles

• Hardest Part of Being a School Nurse Guide
• Nurse vs. School Nurse: Roles, Pay, Training
• School Nurse Role Explained
• What Does a School Nurse Do? Questions
• How Med Students Memorize So Much

Healthy Learning Environments Guide is an independent publication. This page is for education and does not replace advice from your child’s school or clinician.

By Healthy Learning Environments Guide Editorial Team