Screen use amongst children and teens in the US and elsewhere is an enormous concern – with adolescents aged 13 – 18 spending an average of 8.5 hours daily on screen-based media. This is at least one-half of all their waking hours – and it is time that could be spent in so many other ways.

And some of these 8.5 hours of phone use take place in school.

Yes, kids are on their phones at school.

The issue of whether kids should even have their smartphones with them during the school day is one that comes up again and again – including in this blog. Some parents feel it is a safety precaution in case their children need to get in touch with them. Others feel that phones are a distraction from learning and are better left in lockers or in a central location at school.

But there has been very little good data concerning how much time kids actually spend on their phones at school to date.

Finally, however, there is a study which looks at this. Just published in the Journal of The American Medical Association Pediatrics, this study begins to help us understand kids’ phone use at school.

The researchers not only answered the question of how much time kids spend on their phones but they also looked at what kids are doing on their phones during school hours.

As it turns out, kids spend an average of an hour and a half on their smart phones over the course of a six-and-a-half-hour school day. But a quarter of kids spend more than two hours on their phones while at school. And the most looked at apps or categories of phone use are messages, Instagram, video streaming, audio and email.

These are very revealing findings. They are not surprising….but they are shocking. The researchers who performed this study said, “Parents and adolescents may derive benefit from access to phones for communication and learning purposes during school. However, application usage data from this study suggest that most school-day smartphone use appears incongruous with that purpose. The analyses show high levels of social media use during school.”1

In other words, kids are not just using their phones to communicate with their parents during the school day. They are using their phones for the same purposes they use them out of school: scrolling social media, watching YouTube, etc.

It is time for us as a society, and for parents as individuals to think about whether this is the best use of kids’ time – both in school and out.

This is the third in a series on phone use in school.

Footnotes/References

1 Christakis DA, Mathew GM, Reichenberger DA, Rodriguez IR, Ren B, Hale L. Adolescent Smartphone Use During School Hours. JAMA Pediatr. Published online February 03, 2025. doi:10.1001/jamapediatrics.2024.66