Though you do not need to get Clearinghuse approval for Division III we recommend to our players that they register anyway---you never know when a Division I or II school will come knocking.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .