It is proper Netiquette to refrain from sharing personal information. Don't share stuff that is not educational.
Sharing personal information online in an educational setting is unnecessary and unsafe for a variety of reasons. The personal information of students is their own intellectual property, which children do not have the legal authority to share. The internet is insecure. Online data can be compromised.
Students should not share personal information to open accounts until they have their parents permission or are adults themselves.
Refrain from sharing personal information because the internet is insecure.