Hello Harry_potter_chosen.
Thank you for using Apple Support Communities. It sounds like you'd like to disable Schooltime on your Apple Watch. If so, we'd like to help out. If you set up Schooltime on your own and it wasn't originally set up by a parent, you can review the following resource on how to disable it:
Use Schooltime on Apple Watch - Apple Support
Review the section under "Focus with Schooltime on your Apple Watch". If you see the Schooltime watch face on your display, turn the Digital Crown until it shows the "Unlock" animation, then tap on Exit.
If you don't see the Exit option, try restarting both your iPhone and Apple Watch to see if that helps:
Restart your iPhone - Apple Support
Restart your Apple Watch - Apple Support
For visual guidance, check out Apple Support's YouTube video here:
How to set up Schooltime on your child's Apple Watch - Apple Support
We hope this information is helpful. Cheers.