Do be aware that although the rules do say that you are not to share with your mid - there are parents that do but even more so there are mids who have creatively registered for accounts.
I got told Plebe year under no circumstances was I to post unless it was to sell football tickets or locate a ride. His comment was "if there is something you need to know - ask me since it involves me" It is amazing what sort of very personal information gets posted.