<p>you’re on the right track thinking about the basketball (which I agree is very fun!)
keep thinking about what you want outside of CS, because based on my knowledge of the programs at both schools, you cannot go wrong with either in that field.
do you want to have a minor? do you want any kinds of clubs/programs? what if you don’t want to continue with CS and you want to switch to something else that is either similar or quite different?
you should also consider things like living arrangements, the towns, etc.
(I don’t know tons about CMU so I don’t want to make false comparisons to Cornell, but since you’re thinking of applying ED and should be on summer vacation soon, you can do that research. 
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