The school year begins in LA with one big change

This year brings a new challenge for Armaghan Khan and many other teachers in the nation’s second-largest school district: Ban screen time for younger students, and significantly limit it for older kids.
“This is going to be a big impact for me,” says Khan, who’s spent his career in the Los Angeles Unified School District. “I would say about 75% of our work was on some kind of screen-based activity.”
As a science teacher Khan, has embraced technology. Not only