Hey so I don't know if this is the right community to post in but here it goes.

Im currently a junior at a T-50 school. Honestly when I came to the school I didn't think I would want to continue my education after it. I came in majoring in Computer Science and Economics and I thought I would simple leave after school and try and make a lot of money.

Because of this sentiment my gpa suffered and is currently at a 2.9/4.0 . That being said I totally have changed my mind on it. I dropped economics and added Mathematics as one major and more more I think I want to get a masters degree in data science or quant.

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That being said I only have 4 semesters to increase my gpa and I also have a couple W's and NC (because of covid).

Is this a pipe dream? I've been putting in significantly more work this semester and definitely will finish with a 3.5 and above from this semester but is the damage already done and the chances of getting into a good grad school impossible?