First, we represent ourselves. It follows, we can choose how we are viewed in a network. Then, we choose our own identity. Also, identify with group connections. So, username for school activities of students. Given, proper netiquette to use a handle for this level of association. And so privacy. As a result, do use a make a name for ourselves.
Username Netiquette Students
Next, pick a user name that is different from our real legal name. Hence, physical safety is an issue. Albeit, somewhat removed from learning.
In any event, cyber stalkers look for personal information to identify victims. Thus, trolls can find social media profiles of students from educational networks. Then, a different handle makes it harder to find.
Thus, no reason to share the name of students in online interaction. Given, using the web for educational purposes. Then, acquisition of knowledge does not require a legal name.
On the other hand, some networks require an email address for an educational institution to sign up. And so, marketers are interested in getting us into a product funnel. Our info can be scraped and sold.
Keep your full name private because it protects safety and the network.