I’m going to disagree with the person above me. Scores aren’t everything, so don’t get me wrong, but you are on the lower half of the ACT spectrum. Also, I believe that ND lists their unweighted GPA, not the weighted one. So, your GPA might bring you down. Your EC’s seem pretty god though, so maybe that can balance things out. (On a side note, I have Colitis, so I appreciate your fundraiser 
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Like I said, scores and numbers aren’t everything, but a 3.95 weighted GPA (out of a 5 scale I assume?) isn’t going to help at all. Most kids applying to ND, myself included, are going to have weighted GPA’s of 4.4+ (I have a 4.65 for reference). Either way, it’s too late to change a GPA, so best of luck!