Schools have more—and less—control over the videos their students view.

The popular YouTube for Schools—which housed more than 400,000 educational videos from the likes of PBS, TED, and Khan Academy—is defunct. After a five-year run, Google announced its demise in July 2016.

Now, says Google, schools must use YouTube Restricted Mode to control the gazillions of videos their students can watch.

Why? What’s the difference between YouTube for Schools and YouTube Restricted Mode?

There’s been a huge change. YouTube for ...