OK - 31 ACT is fine for CLA. Do you know your class rank?
Here are the stats by admitting college:
https://admissions.tc.umn.edu/academics/profile.html
Admissions dept’s look at unweighted not weighted grades so you should try to have a good idea of what your uw gpa is.
The best scholarship for OOS is the National which is around $10,000 per year. Tends to be correlated wtih invitations to the honors program. Here are the stats for that:
https://admissions.tc.umn.edu/honors/review.html
Good luck to you!