We should have the ability to make contact information private to all users except for those with a Staff role, as indicated in the articles linked below.
Contrary to these articles, any users with the Faculty, Teaching Assistant, or Staff roles can view private contact info of all individuals.
https://support.populiweb.com/hc/en-us/articles/223792047-My-Profile
^ This article states that a lock icon, " indicates that this item is private: only staff members at your school can see it. Click the lock to make the item public—which means that anyone at your school with a Populi login can see this item."
https://support.populiweb.com/hc/en-us/articles/223789307
^This article similarly states that "Private contact items are only visible to users with the Staff role..."