How much screen time is too much? The answer is 'It depends'

Research actually shows that there are many things at play in a child's life and what they're learning from a screen interaction. It's not just about the amount of time that they spend in front of a rectangle slide screen. — Photo by Kelly Sikkema on Unsplash

One of the biggest critiques of full-time virtual and blended learning is that kids spend way too much time on screens. Students have complained about getting headaches, and educators have suffered from "Zoom fatigue."

So how worried should educators be about all that time students spend staring at a Chromebook, iPad, or cellphone screen, especially if it's followed by hours of television or video games? How many hours of screen time per day is too much?