How much screen time is too much?
Some metro Atlanta school district leaders are trying to figure out how to answer that question, as parents raise concerns about the amount of time students spend on laptops, tablets or other electronic devices during the school day.
Officials with Atlanta Public Schools and Marietta City Schools each passed measures this week aimed at limiting time students spend on screens in class. Both districts had prohibited the use of personal electronic devices, such as smartphones, in class before state legislators passed a law banning them in all public schools…