Well, if that's 1000 on the new, 2400 max SAT, yeah, that's bad. On the old 2-way test, max scor 1600, it's not so bad. But with a legit 3.75 you should be able to do better.
But the answer to your question is, it depends on which school you want to attend. They all have different criteria for admission and SAT is just one (important) aspect.
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 .