Google brought back the Google Sites template gallery. The gallery is rather limited at this point, but it does have a few templates for education sites.
Banner announcements is another new feature that was added to Google Sites today. This feature will let you put a custom banner across the top of your site on its homepage and or all pages within the site. Putting a banner at the top can be a good way to call attention to an important notice that you want to make sure visitors don't miss. As I demonstrated in the video below, banners can be linked to calls to action for things like joining a virtual meeting.
In the video that is embedded below I demonstrate both of the new features that were added to Google Sites today.