In the oppressive heat, students and staff still have to wear masks all day inside of the buildings.
Windsor Locks superintendent Shawn Parkhurst said ventilation is also a concern because there are some air conditioning units that they can't use because of COVID-19 reasons.
That's why he decided to join the dozens of school districts having an early dismissal.
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Parkhurst said these tend to be difficult calls to make and even though virtual learning is an option, he decided to not go that route.
“I had a student that reached out and asked me that and one of the things I know is that there is nothing that can replace the experience with in-person learning, even if it’s a modified day. So I chose not to do a remote learning day, but to keep it an in-person day so it is that teacher-student interaction that I know is so critical," Parkhurst said.
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He also said that during the high heat, students will be allowed more mask breaks and they will still be providing grab and go lunches.
You can see a full list of schools with early dismissals here.