https://wccftech.com/ios-14-code-reveals-new-activity-rings-for-kids-mode-coming-with-watchos-7/

iOS 14 is still months away and we're hearing what the operating system will bring in terms of forward-facing features. As per the latest leak, Apple will be adding a new SchoolTime mode and Kids Mode. The main purpose of the feature will be to allow kids to use an Apple Watch without the need of owning an iPhone. Scroll down for more details on the subject.

As per 9to5mac, Apple will bake features like SchoolTime and Kids Mode to the Apple Watch. The Apple Watch account will be linked to only a single iPhone's Apple ID. This will enable parents to manage and control their kid's Apple Watch through their iPhone.