I want to set up my child’s iPad and not have all of my photos or contacts show up on the iPad
I want to set up my child’s iPad and not
have all of my contacts and photos on their tablet.
iPad, iPadOS 14
Unless you do something wrong, like logging in to your Apple ID on the child’s device, that should not happen.
Create the Apple ID for the child as explained in the support document, and then setup the ipad with that newly created Apple ID.