Should I confess to her?

I like my girl best friend of three years but I don't know whether I should tell her in a year after I finish college or now since we are studying the same classes. I don't want to ruin the friendship or make going through this year awkward if she doesn't feel the same way. I also want to focus on this last year and do not know if I am ready for a relationship. Is there a good way to tell her I like her but say that I am totally happy with being friends for the moment? I do not want to pressure her into anything but I also want to be honest with her about my feelings.

Should I confess to her?
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