>> Here's the Official Word from Google:
"Why can't <18 users in my organization who have YouTube enabled, embed YouTube videos in Slides/Forms/Sites?
A: Embedding YouTube into Slides, Forms and Sides for Users <18 is not available at this time. We hope to bring this experience to users <18 soon."
So Now What?
Your students can still insert YouTube links. Students can insert a relevant image into the slide and add the YouTube link to the image.
Here's an example created using a student account:
Sample student slide
As you can see, the image is clickable and links to the YouTube video. This can be a great opportunity to learn about safe searching, copyright rules, and creative problem-solving.